Take advantage of the ca/kra code cleanup in replica installation
The recent cleanup of ca/kra installation code can be used to
greatly reduce the number of differences between DL0 and DL1
in replica installation.
This change also allows to move Custodia instance creation after
Kerberos and httpd instances installation.
Reviewed-By: Martin Basti <firstname.lastname@example.org>
Reviewed-By: Jan Cholasta <email@example.com>