Description of problem:
When user attempts to delete repos, a stack trace is returned.

Version-Release number of selected component (if applicable):


How reproducible:
Every time

Steps to Reproduce:
1. Create a repo
2. Navigate to Administration > Content > Repositories
3. Click the checkbox next to your repo and attempt to delete ("Delete Selected").
  
Actual results:

Failed to delete repositories. Cause: javax.ejb.EJBTransactionRolledbackException:org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update -> javax.persistence.PersistenceException:org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update -> org.hibernate.exception.SQLGrammarException:Could not execute JDBC batch update -> java.sql.BatchUpdateException:Batch entry 0 delete from RHQ_REPO_RHQ_TAG where RHQ_REPO_ID='10061' was aborted. Call getNextException to see the cause.[SQLException=Batch entry 0 delete from RHQ_REPO_RHQ_TAG where RHQ_REPO_ID='10061' was aborted. Call getNextException to see the cause. -> ERROR: relation "rhq_repo_rhq_tag" does not exist(error-code=0,sql-state=42P01)]

Expected results:
Can be deleted!

Additional info:

Found by automation.