code: def delete_role(self, role, mount_point=DEFAULT_MOUNT_POINT):
          
          params = {
              'role': role,
          }
          api_path = '/v1/auth/{mount_point}/role/{role}'.format(
              mount_point=mount_point,
              role=role,
          )
          return self._adapter.delete(
              url=api_path,
              json=params,
          )
docs: Delete the previously registered role.
  
          Supported methods:
              DELETE: /auth/{mount_point}/role/{role}. Produces: 204 (empty body)
  
  
          :param role: The name of the role to delete.
          :type role: str | unicode
          :param mount_point: The "path" the method/backend was mounted on.
          :type mount_point: str | unicode
          :return: The response of the request.
          :rtype: requests.Response