fdo#39468 Translate German comments - sw/source/core/text

Change-Id: I8f94931ab8e55e8e330350c92251fa8737bfe730
Reviewed-on: https://gerrit.libreoffice.org/12308
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>