Clean up bq Zum Mega 3D pins

Marlin/src/pins/pins_BQ_ZUM_MEGA_3D.h

@@ -46,11 +46,6 @@
 #define ORIG_E2_AUTO_FAN_PIN  6
 #define ORIG_E3_AUTO_FAN_PIN  6
 
-//
-// Misc. Functions
-//
-#define CASE_LIGHT_PIN     44   // MUST BE HARDWARE PWM
-
 //
 // M3/M4/M5 - Spindle/Laser Control
 //
@@ -96,6 +91,8 @@
 #undef PS_ON_PIN                // 12
 #define PS_ON_PIN          81   // External Power Supply
 
+#define CASE_LIGHT_PIN     44   // MUST BE HARDWARE PWM
+
 
 // This board has headers for Z-min, Z-max and IND_S_5V *but* as the bq team
 // decided to ship the printer only with the probe and no additional Z-min
@@ -108,9 +105,8 @@
   #define Z_MAX_PIN        18   // Z-MIN Label
 #endif
 
-
 //
-// This pin is used by the official Hephestos 2 heated bed upgrade kit
+// Used by the Hephestos 2 heated bed upgrade kit
 //
 #if ENABLED(HEPHESTOS2_HEATED_BED_KIT)
   #undef HEATER_BED_PIN