Updated openstack/openstack
Project: openstack/python-ceilometerclient  09ad1ed7a3109a936f0e1bc9cbc904292607d70c

Remove out-dated exceptions

There are some exceptions defined in exc module, which is introduced
two years ago, and it is marked as DEPRECATED in the same time. It
should be removed for now, since there are no longer used.

Change-Id: I039575f37b0e6d1c30e447b74d61b8cd0b6bbd29