'Mark that we no longer track device lists for remote user.'

@defer.inlineCallbacks
def mark_remote_user_device_list_as_unsubscribed(self, user_id):

    (yield self._simple_delete(table='device_lists_remote_extremeties', keyvalues={'user_id': user_id}, desc='mark_remote_user_device_list_as_unsubscribed'))
    self.get_device_list_last_stream_id_for_remote.invalidate((user_id,))
