code: def remove_member(self, member_id):
          
          member_rm_request = etcdrpc.MemberRemoveRequest(ID=member_id)
          self.clusterstub.MemberRemove(
              member_rm_request,
              self.timeout,
              credentials=self.call_credentials,
              metadata=self.metadata
          )
docs: Remove an existing member from the cluster.
  
          :param member_id: ID of the member to remove