Updated openstack/openstack
Project: openstack/nova  87461cb89c4dfcc7dc57a09cdec45a33a7d27259

Remove unused oslo.config import

Commit 46e88320e6e6231550f3e2b40312c51f55e059f5 added
the oslo.config import in one of it's patch series but
in the revision that was ultimately merged, the import
was no longer used - but we forgot to remove the import.

This cleans that up.

Change-Id: I3fcfdab625be68a19162b5053ad4f6f180a72a4d