Updated openstack/openstack
Project: openstack/python-cinderclient  542a675568bbeb92a4d6eb5b8ba479258b1976ba

Remove unused methods from utils.py

Most of these methods were imported when we forked away from
python-novaclient, but over the course of time, their existence
became redundant as no file seems to be importing them. Such
methods are removed in this change.

Change-Id: Ic93fc92ce624eefaeaca6de5c8fd965e88159030