code: func (b *Btelegram) handleDelete(msg *config.Message, chatid int64) (string, error) {
  	if msg.ID == "" {
  		return "", nil
  	}
  	msgid, err := strconv.Atoi(msg.ID)
  	if err != nil {
  		return "", err
  	}
  	_, err = b.c.DeleteMessage(tgbotapi.DeleteMessageConfig{ChatID: chatid, MessageID: msgid})
  	return "", err
  }
docs: // handleDelete handles message deleting