Updated openstack/openstack
Project: openstack/ceilometer  0f7e5910611a161e037fe5fef2c3d91b3aa40a8d

Remove unused logging in tests

For now, there are some logging objects defined in tests module, but
they are never used, this patch removes them.

Change-Id: Icb6666c377c34ca69d512aff8cba09f76a2e2057