fdo#39468 Translate German Comments - final bits of sc/source/filter/

Change-Id: Ie01e9488c6b8e36c40e6176bc1cac38a93a8087f
Reviewed-on: https://gerrit.libreoffice.org/12194
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>