Fold psprint_config into vcl

The files are only used by the psprint stuff in vcl, so move them closer
to it. We should kill all of this anyway, but that is for another day.

Change-Id: Ie3b893c92d556333c9d8b041859d5e97604ace10
Reviewed-on: https://gerrit.libreoffice.org/8694
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>