code: def delete_role(resource_root, service_name, name, cluster_name="default"):
    
    return call(resource_root.delete,
        _get_role_path(cluster_name, service_name, name), ApiRole)
docs: Delete a role by name
    @param resource_root: The root Resource object.
    @param service_name: Service name
    @param name: Role name
    @param cluster_name: Cluster name
    @return: The deleted ApiRole object