code: func (f *RemoteRuntime) RemovePodSandbox(ctx context.Context, req *kubeapi.RemovePodSandboxRequest) (*kubeapi.RemovePodSandboxResponse, error) {
  	err := f.RuntimeService.StopPodSandbox(req.PodSandboxId)
  	if err != nil {
  		return nil, err
  	}
  
  	return &kubeapi.RemovePodSandboxResponse{}, nil
  }
docs: // RemovePodSandbox removes the sandbox. If there are any running containers
  // in the sandbox, they must be forcibly terminated and removed.
  // This call is idempotent, and must not return an error if the sandbox has
  // already been removed.