Remove dead code from get_pid_output

See #12981

Marlin/src/module/temperature.cpp

@@ -725,18 +725,9 @@ float Temperature::get_pid_output(const int8_t e) {
       float pid_error = target_temperature[HOTEND_INDEX] - current_temperature[HOTEND_INDEX];
       work_pid[HOTEND_INDEX].Kd = PID_K2 * PID_PARAM(Kd, HOTEND_INDEX) * (current_temperature[HOTEND_INDEX] - temp_dState[HOTEND_INDEX]) + float(PID_K1) * work_pid[HOTEND_INDEX].Kd;
       temp_dState[HOTEND_INDEX] = current_temperature[HOTEND_INDEX];
-      #if HEATER_IDLE_HANDLER
+
-        if (heater_idle_timeout_exceeded[HOTEND_INDEX]) {
+      if (target_temperature[HOTEND_INDEX] == 0
-          pid_output = 0;
+        || pid_error < -(PID_FUNCTIONAL_RANGE)
-          pid_reset[HOTEND_INDEX] = true;
-        }
-        else
-      #endif
-          if (pid_error > PID_FUNCTIONAL_RANGE) {
-            pid_output = BANG_MAX;
-            pid_reset[HOTEND_INDEX] = true;
-          }
-          else if (pid_error < -(PID_FUNCTIONAL_RANGE) || target_temperature[HOTEND_INDEX] == 0
         #if HEATER_IDLE_HANDLER
           || heater_idle_timeout_exceeded[HOTEND_INDEX]
         #endif
@@ -744,6 +735,10 @@ float Temperature::get_pid_output(const int8_t e) {
         pid_output = 0;
         pid_reset[HOTEND_INDEX] = true;
       }
+      else if (pid_error > PID_FUNCTIONAL_RANGE) {
+        pid_output = BANG_MAX;
+        pid_reset[HOTEND_INDEX] = true;
+      }
       else {
         if (pid_reset[HOTEND_INDEX]) {
           temp_iState[HOTEND_INDEX] = 0.0;
@@ -806,11 +801,12 @@ float Temperature::get_pid_output(const int8_t e) {
 
   #else /* PID off */
     #if HEATER_IDLE_HANDLER
-      if (heater_idle_timeout_exceeded[HOTEND_INDEX])
+      #define _TIMED_OUT_TEST heater_idle_timeout_exceeded[HOTEND_INDEX]
-        pid_output = 0;
+    #else
-      else
+      #define _TIMED_OUT_TEST false
     #endif
-    pid_output = (current_temperature[HOTEND_INDEX] < target_temperature[HOTEND_INDEX]) ? BANG_MAX : 0;
+    pid_output = (!_TIMED_OUT_TEST && current_temperature[HOTEND_INDEX] < target_temperature[HOTEND_INDEX]) ? BANG_MAX : 0;
+    #undef _TIMED_OUT_TEST
   #endif
 
   return pid_output;