translated German comments

Change-Id: I450e1e179edbc0332e2bcf4edee17664083c4786
Reviewed-on: https://gerrit.libreoffice.org/7296
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>