Tweak some german language strings

Change some string to get a better wording in german

Marlin/language_de.h

 #define MSG_LEVEL_BED_DONE                  "Fertig"
 #define MSG_LEVEL_BED_CANCEL                "Abbruch"
 #define MSG_SET_HOME_OFFSETS                "Setze Homeversatz"
-#define MSG_HOME_OFFSETS_APPLIED            "Offsets aktiv"
+#define MSG_HOME_OFFSETS_APPLIED            "Homeversatz aktiv"
 #define MSG_SET_ORIGIN                      "Setze Nullpunkt" //"G92 X0 Y0 Z0" commented out in ultralcd.cpp
 #define MSG_PREHEAT_1                       "Vorwärmen PLA"
 #define MSG_PREHEAT_1_N                     "Vorwärmen PLA "
 #define MSG_MOVE_Y                          "Y"
 #define MSG_MOVE_Z                          "Z"
 #define MSG_MOVE_E                          "Extruder "
-#define MSG_MOVE_01MM                       " 0.1 mm"
-#define MSG_MOVE_1MM                        " 1.0 mm"
-#define MSG_MOVE_10MM                       "10.0 mm"
+#define MSG_MOVE_01MM                       " 0,1 mm"
+#define MSG_MOVE_1MM                        " 1,0 mm"
+#define MSG_MOVE_10MM                       "10,0 mm"
 #define MSG_SPEED                           "Geschw."
 #define MSG_BED_Z                           "Bett Z"
 #define MSG_NOZZLE                          "Düse"
 #define MSG_RESUMING                        "Druckfortsetzung"
 #define MSG_PRINT_ABORTED                   "Druck abgebrochen"
 #define MSG_NO_MOVE                         "Motoren eingeschaltet"
-#define MSG_KILLED                          "KILLED"
+#define MSG_KILLED                          "ABGEBROCHEN"
 #define MSG_STOPPED                         "ANGEHALTEN"
 #define MSG_CONTROL_RETRACT                 "Retract mm"
 #define MSG_CONTROL_RETRACT_SWAP            "Wechs. Retract mm"
 #define MSG_ZPROBE_OUT                      "Sensor ausserhalb"
 #define MSG_HOME                            "Vorher"  // Used as MSG_HOME " " MSG_X MSG_Y MSG_Z " " MSG_FIRST
 #define MSG_FIRST                           "homen"
-#define MSG_ZPROBE_ZOFFSET                  "Z Offset"
+#define MSG_ZPROBE_ZOFFSET                  "Z Versatz"
 #define MSG_BABYSTEP_X                      "Babystep X"
 #define MSG_BABYSTEP_Y                      "Babystep Y"
 #define MSG_BABYSTEP_Z                      "Babystep Z"