Remove un-used stub
Remove un-used stub

The mock call got pulled out in the related change.

Change-Id: Ife1e452fa34026ac934e88a05708cdc5978215e1
Related-Change-Id: Id089e29e7ecfc8cec79c520f604aa01bdae0dcf0

tipabu/swift,tipabu/swift,openstack/swift,swiftstack/swift,swiftstack/swift,tipabu/swift,openstack/swift,openstack/swift,tipabu/swift,openstack/swift,swiftstack/swift