code: def delete_kubernetes_role(self, role, mount_point='kubernetes'):
          
  
          url = 'v1/auth/{0}/role/{1}'.format(mount_point, role)
          return self._adapter.delete(url)
docs: DELETE /auth/<mount_point>/role/:role
  
          :type role: Name of the role.
          :param role: str.
          :param mount_point: The "path" the k8s auth backend was mounted on. Vault currently defaults to "kubernetes".
          :type mount_point: str.
          :return: Will be an empty body with a 204 status code upon success.
          :rtype: requests.Response.