code: def remove_from_role(server_context, role, user_id=None, email=None, container_path=None):
      
      return __make_security_role_api_request(server_context, 'removeAssignment.api', role, user_id=user_id, email=email,
                                              container_path=container_path)
docs: Remove user/group from security role
      :param server_context: A LabKey server context. See utils.create_server_context.
      :param role: (from get_roles) to remove user from
      :param user_id: to remove permissions from (must supply this or email or both)
      :param email: to remove permissions from (must supply this or user_id or both)
      :param container_path: additional project path context
      :return: