This reverts commit e5934962.

It never worked on 10.5 (but worked for >10.5) actually due to xsltproc
and make's "Circular dependency dropped" issues.

Change-Id: I8770d99a86deb5276bf28dc38da8a5165426e1ef
Reviewed-on: https://gerrit.libreoffice.org/9958Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>