Tweak some pins formatting

Marlin/src/pins/pins_3DRAG.h

 //
 // Heaters / Fans
 //
-#define RAMPS_D8_PIN 9
-#define RAMPS_D9_PIN 8
-#define MOSFET_D_PIN 12
+#define RAMPS_D8_PIN        9
+#define RAMPS_D9_PIN        8
+#define MOSFET_D_PIN       12
 
-#define CASE_LIGHT_PIN -1     // MUST BE HARDWARE PWM but one is not available on expansion header
+#define CASE_LIGHT_PIN     -1   // MUST BE HARDWARE PWM but one is not available on expansion header
 
 #include "pins_RAMPS.h"
 
 // Limit Switches
 //
 #undef Z_MAX_PIN
-#define Z_MAX_PIN          -1
 
 //
 // Steppers
 //
 #if ENABLED(ULTRA_LCD) && ENABLED(NEWPANEL)
   #undef BEEPER_PIN
-  #define BEEPER_PIN       -1
 
   #undef LCD_PINS_RS
   #undef LCD_PINS_ENABLE

Marlin/src/pins/pins_K8400.h

  *  - Second heater has moved pin
  */
 
-#define BOARD_NAME              "K8400"
 #define DEFAULT_MACHINE_NAME    "Vertex"
-#define DEFAULT_SOURCE_CODE_URL "https://github.com/birkett/Vertex-K8400-Firmware"
+#define BOARD_NAME              "K8400"
 
 #include "pins_3DRAG.h"
 
 // Steppers
 //
 #undef E1_STEP_PIN
-#define E1_STEP_PIN   32
+#define E1_STEP_PIN 32
 
 //
 // Heaters / Fans
 //
 #undef HEATER_1_PIN
-#define HEATER_1_PIN  11
+#define HEATER_1_PIN 11
 
 //
 // Misc. Functions

Marlin/src/pins/pins_RAMPS.h

   #define E1_CS_PIN        44
 #endif
 
-/**
- * Default pins for TMC software SPI
- */
-#if ENABLED(TMC_USE_SW_SPI)
-  #ifndef TMC_SW_MOSI
-    #define TMC_SW_MOSI    66
-  #endif
-  #ifndef TMC_SW_MISO
-    #define TMC_SW_MISO    44
-  #endif
-  #ifndef TMC_SW_SCK
-    #define TMC_SW_SCK     64
-  #endif
-#endif
-
-#if HAS_DRIVER(TMC2208)
-  /**
-   * TMC2208 stepper drivers
-   *
-   * Hardware serial communication ports.
-   * If undefined software serial is used according to the pins below
-   */
-  //#define X_HARDWARE_SERIAL  Serial1
-  //#define X2_HARDWARE_SERIAL Serial1
-  //#define Y_HARDWARE_SERIAL  Serial1
-  //#define Y2_HARDWARE_SERIAL Serial1
-  //#define Z_HARDWARE_SERIAL  Serial1
-  //#define Z2_HARDWARE_SERIAL Serial1
-  //#define E0_HARDWARE_SERIAL Serial1
-  //#define E1_HARDWARE_SERIAL Serial1
-  //#define E2_HARDWARE_SERIAL Serial1
-  //#define E3_HARDWARE_SERIAL Serial1
-  //#define E4_HARDWARE_SERIAL Serial1
-
-  /**
-   * Software serial
-   */
-
-  #define X_SERIAL_TX_PIN    40
-  #define X_SERIAL_RX_PIN    63
-  #define X2_SERIAL_TX_PIN   -1
-  #define X2_SERIAL_RX_PIN   -1
-
-  #define Y_SERIAL_TX_PIN    59
-  #define Y_SERIAL_RX_PIN    64
-  #define Y2_SERIAL_TX_PIN   -1
-  #define Y2_SERIAL_RX_PIN   -1
-
-  #define Z_SERIAL_TX_PIN    42
-  #define Z_SERIAL_RX_PIN    65
-  #define Z2_SERIAL_TX_PIN   -1
-  #define Z2_SERIAL_RX_PIN   -1
-
-  #define E0_SERIAL_TX_PIN   44
-  #define E0_SERIAL_RX_PIN   66
-  #define E1_SERIAL_TX_PIN   -1
-  #define E1_SERIAL_RX_PIN   -1
-  #define E2_SERIAL_TX_PIN   -1
-  #define E2_SERIAL_RX_PIN   -1
-  #define E3_SERIAL_TX_PIN   -1
-  #define E3_SERIAL_RX_PIN   -1
-  #define E4_SERIAL_TX_PIN   -1
-  #define E4_SERIAL_RX_PIN   -1
-#endif
-
 //
 // Temperature Sensors
 //
   #define FILWIDTH_PIN      5   // Analog Input on AUX2
 #endif
 
-// define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
+// RAMPS 1.4 DIO 4 on the servos connector
 #ifndef FIL_RUNOUT_PIN
   #define FIL_RUNOUT_PIN    4
 #endif
 #endif
 
 //
+// TMC software SPI
+//
+#if ENABLED(TMC_USE_SW_SPI)
+  #ifndef TMC_SW_MOSI
+    #define TMC_SW_MOSI    66
+  #endif
+  #ifndef TMC_SW_MISO
+    #define TMC_SW_MISO    44
+  #endif
+  #ifndef TMC_SW_SCK
+    #define TMC_SW_SCK     64
+  #endif
+#endif
+
+#if HAS_DRIVER(TMC2208)
+  /**
+   * TMC2208 stepper drivers
+   *
+   * Hardware serial communication ports.
+   * If undefined software serial is used according to the pins below
+   */
+  //#define X_HARDWARE_SERIAL  Serial1
+  //#define X2_HARDWARE_SERIAL Serial1
+  //#define Y_HARDWARE_SERIAL  Serial1
+  //#define Y2_HARDWARE_SERIAL Serial1
+  //#define Z_HARDWARE_SERIAL  Serial1
+  //#define Z2_HARDWARE_SERIAL Serial1
+  //#define E0_HARDWARE_SERIAL Serial1
+  //#define E1_HARDWARE_SERIAL Serial1
+  //#define E2_HARDWARE_SERIAL Serial1
+  //#define E3_HARDWARE_SERIAL Serial1
+  //#define E4_HARDWARE_SERIAL Serial1
+
+  //
+  // Software serial
+  //
+
+  #define X_SERIAL_TX_PIN    40
+  #define X_SERIAL_RX_PIN    63
+  #define X2_SERIAL_TX_PIN   -1
+  #define X2_SERIAL_RX_PIN   -1
+
+  #define Y_SERIAL_TX_PIN    59
+  #define Y_SERIAL_RX_PIN    64
+  #define Y2_SERIAL_TX_PIN   -1
+  #define Y2_SERIAL_RX_PIN   -1
+
+  #define Z_SERIAL_TX_PIN    42
+  #define Z_SERIAL_RX_PIN    65
+  #define Z2_SERIAL_TX_PIN   -1
+  #define Z2_SERIAL_RX_PIN   -1
+
+  #define E0_SERIAL_TX_PIN   44
+  #define E0_SERIAL_RX_PIN   66
+  #define E1_SERIAL_TX_PIN   -1
+  #define E1_SERIAL_RX_PIN   -1
+  #define E2_SERIAL_TX_PIN   -1
+  #define E2_SERIAL_RX_PIN   -1
+  #define E3_SERIAL_TX_PIN   -1
+  #define E3_SERIAL_RX_PIN   -1
+  #define E4_SERIAL_TX_PIN   -1
+  #define E4_SERIAL_RX_PIN   -1
+#endif
+
+//
 // Průša i3 MK2 Multiplexer Support
 //
 #ifndef E_MUX0_PIN