Removed unused configuration options.

Marlin/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
-//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
+
+#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/default/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Anet/A6/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Anet/A8/Configuration.h

 //
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
-
 //
 // MakerLab Mini Panel with graphic
 // controller and SD support - http://reprap.org/wiki/Mini_panel

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
+
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Infitary/i3-M508/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/JGAurora/A5/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/RigidBot/Configuration.h

 //
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
-
 //
 // MakerLab Mini Panel with graphic
 // controller and SD support - http://reprap.org/wiki/Mini_panel

Marlin/src/config/examples/STM32F10/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Sanguinololu/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Tronxy/X1/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Velleman/K8200/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Velleman/K8400/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 #define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic

Marlin/src/config/examples/makibox/Configuration.h

 // RepRapDiscount FULL GRAPHIC Smart Controller
 // http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-// If USE_ST7920_LIGHTWEIGHT_UI is uncommented, then an alternative
-// light-weight status screen will be used that takes advantage of
-// the ST7920 character-generator to conserve MCU resources.
-//
-// Since the lightweight status screen can only show a status
-// message or the position, but not both, set DELAY_TO_SHOW_POSITION
-// to the number of seconds until the position is revealed after a new
-// status message is drawn.
-
 //#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
-//#define USE_ST7920_LIGHTWEIGHT_UI
-//#define DELAY_TO_SHOW_POSITION 20
 
 //
 // MakerLab Mini Panel with graphic