test_level_tweak: remove unused proto

We never fully implemented the config and test planning code to use
this. I removed most of the partial work many months ago, but evidently
I forgot to remove the unused proto.


Change-Id: I46c8a49c89b7740775ac5727a3a1870401c79499
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2225193
Tested-by: Sean Abraham <seanabraham@chromium.org>
Auto-Submit: Sean Abraham <seanabraham@chromium.org>
Reviewed-by: Dhanya Ganesh <dhanyaganesh@chromium.org>
Commit-Queue: Dhanya Ganesh <dhanyaganesh@chromium.org>
2 files changed