Shut down autotemp in disable_all_heaters

Marlin/temperature.h

@@ -27,7 +27,6 @@
 #ifndef TEMPERATURE_H
 #define TEMPERATURE_H
 
-#include "planner.h"
 #include "thermistortables.h"
 
 #include "MarlinConfig.h"
@@ -418,16 +417,6 @@ class Temperature {
      */
     static void updatePID();
 
-    #if ENABLED(AUTOTEMP)
-      static void autotempShutdown() {
-        if (planner.autotemp_enabled) {
-          planner.autotemp_enabled = false;
-          if (degTargetHotend(EXTRUDER_IDX) > planner.autotemp_min)
-            setTargetHotend(0, EXTRUDER_IDX);
-        }
-      }
-    #endif
-
     #if ENABLED(BABYSTEPPING)
 
       static void babystep_axis(const AxisEnum axis, const int distance) {