Remove support for legacy Tegra Clock Framework. gk20a clocks were implemented only for TCF, so delete that at the same time, too. Change-Id: Ia46254f5113aa3ec392bf38b33d288a55b2fb475 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1480213 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>