code: func (b *Broker) deleteOne(delivery *awssqs.ReceiveMessageOutput) error {
  	qURL := b.defaultQueueURL()
  	_, err := b.service.DeleteMessage(&awssqs.DeleteMessageInput{
  		QueueUrl:      qURL,
  		ReceiptHandle: delivery.Messages[0].ReceiptHandle,
  	})
  
  	if err != nil {
  		return err
  	}
  	return nil
  }
docs: // deleteOne is a method delete a delivery from AWS SQS