code: def delete_user(self, user_name):
          
          res = self._make_ocs_request(
              'DELETE',
              self.OCS_SERVICE_CLOUD,
              'users/' + user_name
          )
  
          # We get 200 when the user was deleted.
          if res.status_code == 200:
              return True
  
          raise HTTPResponseError(res)
docs: Deletes a user via provisioning API.
          If you get back an error 999, then the provisioning API is not enabled.
  
          :param user_name:  name of user to be deleted
          :returns: True on success
          :raises: HTTPResponseError in case an HTTP error status was returned