packaging: setup: allow reverting ssl config

Allow reverting the ssl config change using engine-cleanup.

Change-Id: I204c6ffa92a0e3507b27e9779e1534048625b6b9
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Signed-off-by: Yedidyah Bar David <didi@redhat.com>