code: async def xgroup_del_consumer(self, name: str, group: str, consumer: str) -> int:
          
          return await self.execute_command('XGROUP DELCONSUMER', name, group, consumer)
docs: [NOTICE] Not officially released yet
          XGROUP is used in order to create, destroy and manage consumer groups.
          :param name: name of the stream
          :param group: name of the consumer group
          :param consumer: name of the consumer