SQLAlchemy Change to support more strict dialect checking

Update a couple DELETE operations within the test_sql_upgrade test
case to support the more strict dialect checking that occurs in
0.9.3 of SQLAlchemy for "additional arguments".

Closes-Bug: #1286717
Change-Id: I82b57257a8b49d798d813c65e76757021676ba90
Merge "SQLAlchemy Change to support more strict dialect checking"