ever since

    commit b26f83b1
    Date:   Fri Aug 10 21:43:32 2018 +0200
    loplugin:unusedmethods

    mostly this seems to be fallout from
        commit 089a4f24
        Date:   Mon Aug 6 14:55:04 2018 +0200
        remove Calc's software interpreter

Change-Id: Id1cb89bb3d95521b7ddf7d072ee9392053e5a52b
Reviewed-on: https://gerrit.libreoffice.org/61257
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>