ansible/roles/kubernetes_vanilla: Fix stop/disable apparmor

[toabctl]

When the apparmor service is not available, don't do anything. Otherwise the role fails while trying to stop the service.

This fixes:

Could not find the requested service apparmor: host

Signed-off-by: Thomas Bechtold tbechtold@suse.com

[jhesketh]

I'm not sure why travis missed this and can't see an obvious way to manually trigger a build. Will just force merge it for now.