Since the ISO install method removal, ceph-ansible isn't able
to detect wheter the user is deploying in a 'disconnected environment'.
By the way, given that ceph-ansible is available only for upgrading to RHCS 5,
this check doesn't make sense anymore, let's drop it.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2062147

Signed-off-by: Guillaume Abrioux <[email protected]>
(cherry picked from commit 1cd1fa05601384c5cd8d907b0581fdfaf125c098)
(cherry picked from commit 0d6763d4ef74a217b4122cc77792e0f6e48e4092)