Updated openstack/openstack
Project: openstack/nova  e154c1a040cf0299a9b06856a8773169af513177
null
Remove superflous 'instances' joinedload

We already specify instances.{system_metadata,info_cache} as columns to
join so, loading 'instances' is implicit joinedload_all() behaviour.

Change-Id: I0c28e3b4d2ce8b5884d1247a7f96ecc810842d93