code: def unshare(self, group_id, **kwargs):
          
          path = '/projects/%s/share/%s' % (self.get_id(), group_id)
          self.manager.gitlab.http_delete(path, **kwargs)
docs: Delete a shared project link within a group.
  
          Args:
              group_id (int): ID of the group.
              **kwargs: Extra options to send to the server (e.g. sudo)
  
          Raises:
              GitlabAuthenticationError: If authentication is not correct
              GitlabDeleteError: If the server failed to perform the request