Remove clouds.yaml from gitignore
Remove clouds.yaml from gitignore

I keep my clouds.yaml file in my .config directory and not in
the development area.  I'm not sure why we should ignore this.

Change-Id: I0d025e9d7007e183adb729251aa402f3c3826b1e

openstack/python-openstacksdk,dtroyer/python-openstacksdk,dudymas/python-openstacksdk,openstack/python-openstacksdk,briancurtin/python-openstacksdk,mtougeron/python-openstacksdk,stackforge/python-openstacksdk,dtroyer/python-openstacksdk,mtougeron/python-openstacksdk,stackforge/python-openstacksdk,briancurtin/python-openstacksdk,dudymas/python-openstacksdk