Disable RGB_LED for 3DFabXYZ (#13097)

Marlin/src/config/examples/3DFabXYZ/Migbot/Configuration.h

  * LED Type. Enable only one of the following two options.
  *
  */
-#define RGB_LED
+//#define RGB_LED
 //#define RGBW_LED
 
 #if ENABLED(RGB_LED) || ENABLED(RGBW_LED)

Marlin/src/config/examples/3DFabXYZ/Migbot/Configuration_adv.h

  */
 //#define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
-  #define CONTROLLER_FAN_PIN 9        // Set a custom pin for the controller fan
+  #define CONTROLLER_FAN_PIN 9           // Set a custom pin for the controller fan
   #define CONTROLLERFAN_SECS 60          // Duration in seconds for the fan to run after all motors are disabled
   #define CONTROLLERFAN_SPEED 255        // 255 == full speed
 #endif