certmonger was later restarted to remove the custom CA entries
and the startup delay sometimes caused uninstallation to fail.
certmonger is stopped in cainstance.py::uninstall() so it will
still be stopped post-install.
https://pagure.io/freeipa/issue/8533
Reviewed-By: Fraser Tweedale <ftweedal@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>