Its last usage was gone with 26bdb10a.

Change-Id: I3a58a5596eaa930e9d7034b87fe05cbe8a902c41
Reviewed-on: https://gerrit.libreoffice.org/22690Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Tardon <dtardon@redhat.com>