translated German comments

Change-Id: I75c7611c36c15fb36e00de239f5b322adb182e73
Reviewed-on: https://gerrit.libreoffice.org/7273
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>