fdo#39468 Translate German comments

Change-Id: I95d10209db3701c2511213c9830191fd5a797889
Reviewed-on: https://gerrit.libreoffice.org/7574
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>