Updated openstack/openstack
Project: openstack/nova  3f2d979b6830fba3c2ac65b75d4421ac503d7b02

Remove two unused db.api methods

Remove two methods from the db API that are no longer used.  These
methods were deprecated when the VolumeMapping object was created,
which doesn't use them.  The relevant code has been converted to use
the VolumeMapping object, so these can now be removed.

Change-Id: I8c230d994a108c9f4c1ee7e112178b852520cb3e