docs: def unattach_user(context, id, user_id):
      """unattach_user(context, id, user_id)
  
      Unattach a user from a remoteci.
  
      >>> dcictl remoteci-unattach-user [OPTIONS]
  
      :param string id: ID of the remoteci to unattach the user from
                        [required]
      :param string user_id: ID of the user to unattach [required]
      """
      result = remoteci.remove_user(context, id=id,
                                    user_id=user_id)
      if result.status_code == 204:
          utils.print_json({'id': id,
                            'message': 'User unattached from RemoteCI'})
      else:
          utils.format_output(result, context.format)