ever since
    commit a3b0ee88
    Date:   Sun Jul 10 22:17:35 2011 +0100
    strip out unused methods

found by loplugin:singlevalfields

Change-Id: I4feab1195f78549a48f4b1a9017bc5101474228f
Reviewed-on: https://gerrit.libreoffice.org/63173
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>