When noauth_mode=true, the os_client_config Ansible module will still execute
and then fails due to a missing clouds.yaml file (which is only generated
when keystone is enabled and installed).
This change will skip over the os_client_config module when noauth_mode
is set to true.
Change-Id: Iff3f33fe5e1f7d952c982fa377af0ff415ec2831
Closes-Bug: #1693309
Signed-off-by: Leif Madsen <lmadsen@redhat.com>