tests: skip disabling fastest mirror detection on atomic host
tests: skip disabling fastest mirror detection on atomic host

There is no need to execute this task on atomic hosts.

Signed-off-by: Guillaume Abrioux <30a9df5a0293a6108675377fa1673f7aa713f915@redhat.com>

font/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible,font/ceph-ansible