Moves all global enums to a central file

Marlin/temperature.cpp

@@ -1342,25 +1342,6 @@ void Temperature::disable_all_heaters() {
 
 #endif //HEATER_0_USES_MAX6675
 
-/**
- * Stages in the ISR loop
- */
-enum TempState {
-  PrepareTemp_0,
-  MeasureTemp_0,
-  PrepareTemp_BED,
-  MeasureTemp_BED,
-  PrepareTemp_1,
-  MeasureTemp_1,
-  PrepareTemp_2,
-  MeasureTemp_2,
-  PrepareTemp_3,
-  MeasureTemp_3,
-  Prepare_FILWIDTH,
-  Measure_FILWIDTH,
-  StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
-};
-
 /**
  * Get raw temperatures
  */