Cloud-Provider-Openstack is required for Keystone authentication with
Kubernetes. Since we are no longer doing that, we can remove
Cloud-Provider-Openstack from the build.
Story: 2002843
Task: 26958
Change-Id: I971ba2626ab040631c163957fbe6efbd58951ad1
Signed-off-by: Jerry Sun <jerry.sun@windriver.com>