M600 for single material fix

Firmware/Marlin.h

@@ -469,6 +469,6 @@ void proc_commands();
 bool mmu_get_reponse();
 void mmu_not_responding();
 void mmu_load_to_nozzle();
-void M600_load_filament();
+void M600_load_filament(bool fsensor_enabled);
 void mmu_M600_load_filament();
 void M600_load_filament_movements();

Firmware/Marlin_main.cpp

@@ -9094,6 +9094,7 @@ void mmu_switch_extruder(uint8_t extruder) {
 }
 
 void mmu_M600_load_filament() {
+#ifdef SNMM_V2
 		  bool response = false;
 		  tmp_extruder = choose_extruder_menu();
 		  lcd_update_enable(false);
@@ -9133,6 +9134,7 @@ void mmu_M600_load_filament() {
     	  snmm_extruder = tmp_extruder; //filament change is finished
 
 		  mmu_load_to_nozzle();
+#endif
 }
 
 void M600_load_filament_movements() {