Cleanup around updatePID

Marlin/src/module/temperature.h

@@ -430,12 +430,19 @@ class Temperature {
      */
     #if HAS_PID_HEATING
       static void PID_autotune(const float temp, const int8_t hotend, const int8_t ncycles, const bool set_result=false);
-    #endif
 
-    /**
-     * Update the temp manager when PID values change
-     */
-    static void updatePID();
+      #if ENABLED(PIDTEMP)
+        /**
+         * Update the temp manager when PID values change
+         */
+        FORCE_INLINE static void updatePID() {
+          #if ENABLED(PID_EXTRUSION_SCALING)
+            last_e_position = 0;
+          #endif
+        }
+      #endif
+
+    #endif
 
     #if ENABLED(BABYSTEPPING)