fdo#39468 Translate German comments

Also remove ASCII art.

Change-Id: I2e2aeb7a940fcebb0a08aa8906eb1f3e392b8d0f
Reviewed-on: https://gerrit.libreoffice.org/7921
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>