found with the attached bin/find-unused-rid.py script

Change-Id: I1cf79caa6cafedb8bc642f394dc7e7da889d6fdf
Reviewed-on: https://gerrit.libreoffice.org/35136Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>