This reverts commit 4cabfc30bf2db873930cef4f7f1b0243ae2fde28
because the clean-up in commit 3d2a431da1126f4924f6cd7e5abac6488cd480e7
(tdf#139115 vcl tree list: add new toggle behaviors).
Change-Id: Ieb57c035837e7740d105fa688fdf2b1bffcb88d8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109686
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>