Undo German changes

See 941e9bd329 (commitcomment-28262166)

Marlin/src/lcd/language/language_de.h

 #define MSG_FILAMENT_CHANGE_HEADER_LOAD     _UxGT("FILAMENT LADEN")
 #define MSG_FILAMENT_CHANGE_HEADER_UNLOAD   _UxGT("FILAMENT ENTLADEN")
 #define MSG_FILAMENT_CHANGE_OPTION_HEADER   _UxGT("FORTS. OPTIONEN:")
-#define MSG_FILAMENT_CHANGE_OPTION_PURGE    _UxGT("Mehr extrudieren")
+#define MSG_FILAMENT_CHANGE_OPTION_PURGE    _UxGT("Mehr entleeren")
 #define MSG_FILAMENT_CHANGE_OPTION_RESUME   _UxGT("Drucke weiter")
 #define MSG_FILAMENT_CHANGE_NOZZLE          _UxGT("  Düse: ")
 #define MSG_ERR_HOMING_FAILED               _UxGT("Homing gescheitert")
   #define MSG_FILAMENT_CHANGE_LOAD_2          _UxGT("Laden des")
   #define MSG_FILAMENT_CHANGE_LOAD_3          _UxGT("Filaments")
   #define MSG_FILAMENT_CHANGE_PURGE_1         _UxGT("Warte auf")
-  #define MSG_FILAMENT_CHANGE_PURGE_2         _UxGT("Extrusion des")
+  #define MSG_FILAMENT_CHANGE_PURGE_2         _UxGT("Entleeren des")
   #define MSG_FILAMENT_CHANGE_PURGE_3         _UxGT("Filaments")
   #define MSG_FILAMENT_CHANGE_RESUME_1        _UxGT("Warte auf")
   #define MSG_FILAMENT_CHANGE_RESUME_2        _UxGT("Fortsetzung des")