Revert "Sync feature protos."

This reverts commit 1fe3c86699e54515101bcb4a5d9b062415b90fb0.

Reason for revert: b/384090989  Breaks compatibility with current on-device feature configs. See https://chromium-review.googlesource.com/c/chromium/src/+/6100523

Original change's description:
> Sync feature protos.
>
> This CL was generated by a Copybara workflow. See the attached bug for more details.
>
> BbcpOrigin-RevId: 706773675
> Change-Id: Iab1dda6a75048e68608dfe1afaeb42c61996783d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6093897
> Reviewed-by: Max Curran <curranmax@chromium.org>
> Reviewed-by: Ilya Sherman <isherman@chromium.org>
> Auto-Submit: Copybara Service <copybara-worker-blackhole@google.com>
> Commit-Queue: Ilya Sherman <isherman@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1397013}

Change-Id: I3a905dc70ad411d2af84e5935d349d985007a199
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6103075
Commit-Queue: Max Curran <curranmax@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1397565}