Revert "changed: upgraded db.js"
Revert "changed: upgraded db.js"

This reverts commit 8a75f3702617c823c08497bc35406599ada5bac2.

kobotoolbox/enketo-express,hossein/enketo-express,onaio/enketo-express,OpenClinica/enketo-express-oc,kobotoolbox/enketo-express,sdibona/enketo-express-oc,onaio/enketo-express,hossein/enketo-express,sdibona/enketo-express-oc,enketo/enketo-express,kobotoolbox/enketo-express,kobotoolbox/enketo-express,OpenClinica/enketo-express-oc,hossein/enketo-express,hossein/enketo-express,OpenClinica/enketo-express-oc,enketo/enketo-express,sdibona/enketo-express-oc,enketo/enketo-express,sdibona/enketo-express-oc,onaio/enketo-express