Not very useful these days, since we have the css:: prefix to reduce
verbosity.

Found with a search like:
   git grep -nP 'typedef .*uno::Reference.*<.*>\s+\w+;'
       | grep -v 'std::'

Change-Id: I16f41c53837ec5c613545ae45df38b0daddcbadd
Reviewed-on: https://gerrit.libreoffice.org/16730Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>