Revert "DBAAS-201 DBaaS Operator error handling enhancements"

[tchughesiv]

This reverts commit 59a902f.

Description

causing #85

Verification Steps

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist (Definition of Done)

• All acceptance criteria specified in JIRA or in issue number have been completed
• Unit tests added that prove the fix is effective or the feature works
• Documentation added for the feature
• all relevant tests are passing
• Code Review completed
• Verified independently by reviewer

[jianrongzhang89]

@tchughesiv Instead of reverting the whole PR, I submitted a quick fix: #88.