fdo#39468 Translate German comments

Change-Id: I7f83308125d6d17ec199bbb2edbb69259702ca77
Reviewed-on: https://gerrit.libreoffice.org/10474
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>