Remove german string.

biscuit/apps/chronos/util.py

@@ -52,7 +52,7 @@ class CalendarWeek:
             self.week = int(today.strftime('%V'))
 
     def __str__(self) -> str:
-        return '%s %d (%s %s %s)' % (_('Kalenderwoche'), self.week, self[0], _('to'), self[-1])
+        return '%s %d (%s %s %s)' % (_('Calendar Week'), self.week, self[0], _('to'), self[-1])
 
     def __len__(self) -> int:
         return 7