Updated openstack/openstack
Project: openstack/horizon  9ee1a9d63208ce7c7e615bc7ec9a3cb784d85d35
null
Remove unused arg `instances`

In function VolumeTableMixIn._set_id_if_nameless(), we
define arg `instances`, but we never use it.

Closes-Bug: #1269200

Change-Id: Iac828511bfe8cd417a9c965d063c388fde73052e