AMBARI-3261. Cleanup UX for advanced database in ambari-server setup. (Jeff Sposetti via swagle)
Revert "AMBARI-3244. Ambari Client improve errors handling. (Andrew vi mahadev)"

This reverts commit d98cfd9ca0ddd24f1e293bf0d3e877118a171765.
AMBARI-3244. Ambari Client improve errors handling. (Andrew Onischuk via mahadev)