Move delta calibration menu to sample delta configuration.

Turn off by default.

Marlin/Configuration.h

 // http://reprap.org/wiki/RepRapDiscount_Smart_Controller
 //#define REPRAP_DISCOUNT_SMART_CONTROLLER
 
-// Delta calibration menu
-// uncomment to add three points calibration menu option.
-// See http://minow.blogspot.com/index.html#4918805519571907051
-// If needed, adjust the X, Y, Z calibration coordinates
-// in ultralcd.cpp@lcd_delta_calibrate_menu()
-#define DELTA_CALIBRATION_MENU
-
 // The GADGETS3D G3D LCD/SD Controller (blue PCB)
 // http://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
 //#define G3D_PANEL

Marlin/example_configurations/delta/Configuration.h

 // REMEMBER TO INSTALL LiquidCrystal_I2C.h in your ARUDINO library folder: https://github.com/kiyoshigawa/LiquidCrystal_I2C
 //#define RA_CONTROL_PANEL
 
+// Delta calibration menu
+// uncomment to add three points calibration menu option.
+// See http://minow.blogspot.com/index.html#4918805519571907051
+// If needed, adjust the X, Y, Z calibration coordinates
+// in ultralcd.cpp@lcd_delta_calibrate_menu()
+// #define DELTA_CALIBRATION_MENU
+
 //automatic expansion
 #if defined (MAKRPANEL)
  #define DOGLCD