Translated German comments

Change-Id: I63ca99a57a84a0c066a2abb1e65d8c04ae9cabfc
Reviewed-on: https://gerrit.libreoffice.org/7522
Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>