Skip 'ensure dnf modules' for CS9 on undercloud-upgrade
Skip 'ensure dnf modules' for CS9 on undercloud-upgrade

This patch change the condition for installing modules when
distro version is equal or greater than 9. This distro will
provide this content through another packages.

Related-Bug: #1943938

Change-Id: I963133176456ec20fde8c033dca9630d89cb1e66

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates