Fix config drive code logical error.

Image id has changed to uuid, so bool value can't be a image ID
any more, remove unnecessary test code.

fix bug #1181991

Change-Id: I420e4cdb848401375b347d43e06343efaa7bf5fc
Merge "Fix config drive code logical error."
Merge remote-tracking branch 'm_src_repo/citrix-fixes' into build-temp