code: def delete_user_entitlements(self, user_id):
          
          route_values = {}
          if user_id is not None:
              route_values['userId'] = self._serialize.url('user_id', user_id, 'str')
          self._send(http_method='DELETE',
                     location_id='6490e566-b299-49a7-a4e4-28749752581f',
                     version='5.1-preview.1',
                     route_values=route_values)
docs: DeleteUserEntitlements.
          [Preview API]
          :param str user_id: