🎨 Move HAS_EXTRUDERS

Marlin/src/lcd/HD44780/marlinui_HD44780.cpp

@@ -954,7 +954,7 @@ void MarlinUI::draw_status_screen() {
             else
           #endif
             {
-              #if EXTRUDERS
+              #if HAS_EXTRUDERS
                 c = 'E';
                 per = planner.flow_percentage[0];
               #endif

Marlin/src/lcd/extui/dgus/DGUSScreenHandler.cpp

@@ -422,7 +422,7 @@ void DGUSScreenHandler::HandleTemperatureChanged(DGUS_VP_Variable &var, void *va
 }
 
 void DGUSScreenHandler::HandleFlowRateChanged(DGUS_VP_Variable &var, void *val_ptr) {
-  #if EXTRUDERS
+  #if HAS_EXTRUDERS
     uint16_t newvalue = swap16(*(uint16_t*)val_ptr);
     uint8_t target_extruder;
     switch (var.VP) {

Marlin/src/lcd/menu/menu_info.cpp

@@ -100,7 +100,7 @@ void menu_info_thermistors() {
 
   START_SCREEN();
 
-  #if EXTRUDERS
+  #if HAS_EXTRUDERS
     #define THERMISTOR_ID TEMP_SENSOR_0
     #include "../thermistornames.h"
     STATIC_ITEM_P(PSTR(LCD_STR_E0 ": " THERMISTOR_NAME), SS_INVERT);
@@ -171,7 +171,7 @@ void menu_info_thermistors() {
     PSTRING_ITEM(MSG_INFO_MAX_TEMP, STRINGIFY(HEATER_7_MAXTEMP), SS_LEFT);
   #endif
 
-  #if EXTRUDERS
+  #if HAS_EXTRUDERS
     STATIC_ITEM(TERN(WATCH_HOTENDS, MSG_INFO_RUNAWAY_ON, MSG_INFO_RUNAWAY_OFF), SS_LEFT);
   #endif
 
@@ -278,7 +278,7 @@ void menu_info() {
   #else
     SUBMENU(MSG_INFO_PRINTER_MENU, menu_info_printer);           // Printer Info >
     SUBMENU(MSG_INFO_BOARD_MENU, menu_info_board);               // Board Info >
-    #if EXTRUDERS
+    #if HAS_EXTRUDERS
       SUBMENU(MSG_INFO_THERMISTOR_MENU, menu_info_thermistors);  // Thermistors >
     #endif
   #endif

Marlin/src/lcd/menu/menu_tune.cpp

@@ -195,7 +195,7 @@ void menu_tune() {
   //
   // Flow:
   //
-  #if EXTRUDERS
+  #if HAS_EXTRUDERS
     EDIT_ITEM(int3, MSG_FLOW, &planner.flow_percentage[active_extruder], 10, 999, []{ planner.refresh_e_factor(active_extruder); });
     // Flow En:
     #if HAS_MULTI_EXTRUDER