Revert "[autotest] Always use tko tables on master from shards."

This reverts commit 8aff81d0334c05c5e7b8d6c3f1dcdc2b1ef21c29.

BUG=422637
CQ-DEPEND=CL:223072

Change-Id: I897828cd665b265c2518c08cbe4c55ea6edb64b6
Reviewed-on: https://chromium-review.googlesource.com/223065
Reviewed-by: Fang Deng <fdeng@chromium.org>
Commit-Queue: Jakob Jülich <jakobjuelich@chromium.org>
Tested-by: Jakob Jülich <jakobjuelich@chromium.org>
4 files changed