docs: def delete_user_rating(self, item_type, item_id):
          """
          Deletes from the list of rating of the current user, the rating provided for the specified element type.
  
          :param item_type: One of: series, episode, banner.
          :param item_id: The TheTVDB Id of the item.
          :return: a python dictionary with either the result of the search or an error from TheTVDB.
          """
  
          raw_response = requests_util.run_request('delete',
                                                   self.API_BASE_URL + '/user/ratings/%s/%d' %
                                                   (item_type, item_id), headers=self.__get_header_with_auth())
  
          return self.parse_raw_response(raw_response)