code: func (s *Server) DeletePrinter(p *Printer) error {
  	var mr multipartRequest
  	mr.init()
  	mr.WriteField("printerid", p.ID)
  
  	err := jsonRPC(&s.auth, "POST", cloudprintURL+"/delete", &mr, nil)
  	if err != nil {
  		return fmt.Errorf("DeletePrinter: %v", err)
  	}
  	return nil
  }
docs: // DeletePrinter deletes the given printer.