code: func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
  	fqdn, value := dns01.GetRecord(domain, keyAuth)
  
  	params := &lightsail.DeleteDomainEntryInput{
  		DomainName: aws.String(d.config.DNSZone),
  		DomainEntry: &lightsail.DomainEntry{
  			Name:   aws.String(fqdn),
  			Type:   aws.String("TXT"),
  			Target: aws.String(`"` + value + `"`),
  		},
  	}
  
  	_, err := d.client.DeleteDomainEntry(params)
  	if err != nil {
  		return fmt.Errorf("lightsail: %v", err)
  	}
  	return nil
  }
docs: // CleanUp removes the TXT record matching the specified parameters