fdo#39468 Translate German comments

Change-Id: I051092f2ffb76a6ef400acd51514189ff20dad7d
Reviewed-on: https://gerrit.libreoffice.org/8486
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>