refresh-cron: fix bashism

Reported-by: Led <ledest@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
cron refresh: remove debuggiong output

The rm and ln messages appear during rpm installation, not intended.

Signed-off-by: David Sterba <dsterba@suse.cz>
spec: install cron scripts

Signed-off-by: David Sterba <dsterba@suse.cz>
Update changes

Signed-off-by: David Sterba <dsterba@suse.cz>