Shortcut for commands that remove all values of the field.
        All will be deindexed.

def _del(self, command, *args, **kwargs):
        """
        Shortcut for commands that remove all values of the field.
        All will be deindexed.
        """
        if self.indexable:
            self.deindex()
        return self._traverse_command(command, *args, **kwargs)