code: func DeleteDeviceActivationsForDevice(db sqlx.Execer, devEUI lorawan.EUI64) error {
  	_, err := db.Exec(`
  		delete
  		from
  			device_activation
  		where
  			dev_eui = $1
  	`, devEUI[:])
  	if err != nil {
  		return handlePSQLError(err, "delete error")
  	}
  
  	log.WithField("dev_eui", devEUI).Info("device-activations deleted")
  	return nil
  }
docs: // DeleteDeviceActivationsForDevice removes the device-activation for the given
  // DevEUI.