fdo#39468 Translate German comments

Also remove ASCII art, and fix minor typos.
Note: I left the unknown word "Stati" as is.
This could be an incorrect plural for "status".

Change-Id: Ic19407c0ebb3aba3ebba4940b2511ba5b8dc825e
Reviewed-on: https://gerrit.libreoffice.org/7716
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>