code: func (c *ContainerServer) RemoveSandbox(id string) error {
  	sb := c.state.sandboxes.Get(id)
  	if sb == nil {
  		return nil
  	}
  
  	c.stateLock.Lock()
  	defer c.stateLock.Unlock()
  	if err := c.removeSandboxPlatform(sb); err != nil {
  		return err
  	}
  
  	c.state.sandboxes.Delete(id)
  	return nil
  }
docs: // RemoveSandbox removes a sandbox from the state store