db-schema/db_scripts/diff/15407.down

USE provisioning;

SET autocommit=0;

ALTER TABLE `provisioning`.`voip_cf_mappings`
  DROP FOREIGN KEY `vcm_bnumset_ref`,
  DROP COLUMN `bnumber_set_id`;

DROP TABLE `voip_cf_bnumbers`;

DROP TABLE `voip_cf_bnumber_sets`;

COMMIT;