INIT_CUSTOM_USER_BUTTON_PINS(N) macro and USER_GCODE_PIN_INIT_n removed; USER_GCODE_PIN_n will always be initiated

Author: MoellerDi

Marlin/Configuration_adv.h

@@ -3204,39 +3204,34 @@
   #define USER_GCODE_1 "G28\nG29 W"
   //#define USER_GCODE_PIN_1 -1         // PIN assigned to trigger USER_GCODE_1 execution
   #ifdef USER_GCODE_PIN_1
-    #define USER_GCODE_PIN_INIT_1       // Init the PIN state at reboot
     #define USER_GCODE_PIN_STATE_1 LOW  // What state should trigger USER_GCODE_1 execution (LOW or HIGH)
   #endif
 
   #define USER_DESC_2 "Preheat for " PREHEAT_1_LABEL
   #define USER_GCODE_2 "M140 S" STRINGIFY(PREHEAT_1_TEMP_BED) "\nM104 S" STRINGIFY(PREHEAT_1_TEMP_HOTEND)
   //#define USER_GCODE_PIN_2 -1         // PIN assigned to trigger USER_GCODE_2 execution
   #ifdef USER_GCODE_PIN_2
-    #define USER_GCODE_PIN_INIT_2       // Init the PIN state at reboot
     #define USER_GCODE_PIN_STATE_2 LOW  // What state should trigger USER_GCODE_2 execution (LOW or HIGH)
   #endif
 
   #define USER_DESC_3 "Preheat for " PREHEAT_2_LABEL
   #define USER_GCODE_3 "M140 S" STRINGIFY(PREHEAT_2_TEMP_BED) "\nM104 S" STRINGIFY(PREHEAT_2_TEMP_HOTEND)
   //#define USER_GCODE_PIN_3 -1         // PIN assigned to trigger USER_GCODE_3 execution
   #ifdef USER_GCODE_PIN_3
-    #define USER_GCODE_PIN_INIT_3       // Init the PIN state at reboot
     #define USER_GCODE_PIN_STATE_3 LOW  // What state should trigger USER_GCODE_3 execution (LOW or HIGH)
   #endif
 
   #define USER_DESC_4 "Heat Bed/Home/Level"
   #define USER_GCODE_4 "M140 S" STRINGIFY(PREHEAT_2_TEMP_BED) "\nG28\nG29"
   //#define USER_GCODE_PIN_4 -1         // PIN assigned to trigger USER_GCODE_4 execution
   #ifdef USER_GCODE_PIN_4
-    #define USER_GCODE_PIN_INIT_4       // Init the PIN state at reboot
     #define USER_GCODE_PIN_STATE_4 LOW  // What state should trigger USER_GCODE_4 execution (LOW or HIGH)
   #endif
 
   #define USER_DESC_5 "Home & Info"
   #define USER_GCODE_5 "G28\nM503"
   //#define USER_GCODE_PIN_5 -1         // PIN assigned to trigger USER_GCODE_5 execution
   #ifdef USER_GCODE_PIN_5
-    #define USER_GCODE_PIN_INIT_5       // Init the PIN state at reboot
     #define USER_GCODE_PIN_STATE_5 LOW  // What state should trigger USER_GCODE_5 execution (LOW or HIGH)
   #endif
 #endif

Marlin/src/MarlinCore.cpp

@@ -1244,7 +1244,6 @@ void setup() {
   #endif
 
   #if HAS_CUSTOM_USER_BUTTONS
-    #define INIT_CUSTOM_USER_BUTTON_PINS(N) (PIN_EXISTS(USER_GCODE_PIN_##N) && ENABLED(USER_GCODE_PIN_INIT_##N) && defined(USER_GCODE_PIN_STATE_##N))
     #define INIT_CUSTOM_USER_BUTTON_PIN(N) do{ SET_INPUT(USER_GCODE_PIN_##N); WRITE(USER_GCODE_PIN_##N, !USER_GCODE_PIN_STATE_##N); }while(0)
 
     #if HAS_CUSTOM_USER_BUTTON(1)