Revert "video expectations: Add all.yml for PlatformV4L2 tests"

This reverts commit dd5b70687feecce01628082c82ef7b5c457d32c5.

Reason for revert: Test is passing now so expectation needs to be removed.

Original change's description:
> video expectations: Add all.yml for PlatformV4L2 tests
>
> Adds all.yml adding a expectation for |video.PlatformV4L2.decoder|
> checking for the specific failure reason:
>
> |Total for mtk-vcodec-dec
> device /dev/video-dec0: 47, Succeeded: 46, Failed: 1, Warnings: 0|
>
> If the test fails with a failure reason regex matching with the pattern
> above, the test failure will be supressed.
>
> BUG=b:343484124
> TEST=tast -verbose run $DUT video.PlatformV4L2.decoder on a Cherry
>
> Change-Id: I64fd4457b69f2c69bf60acb976494296a63ee513
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/graphics/+/5582539
> Auto-Submit: Bijan Choobineh‎ <bchoobineh@chromium.org>
> Commit-Queue: ChromeOS Auto Retry <chromeos-auto-retry@chromeos-bot.iam.gserviceaccount.com>
> Reviewed-by: Steve Cho <stevecho@chromium.org>
> Tested-by: Bijan Choobineh‎ <bchoobineh@chromium.org>
> Reviewed-by: Miguel Casas-Sanchez <mcasas@chromium.org>

BUG=b:343484124

Change-Id: Ia81df09d48f9c4536ac047b600b13c59f9b19e40
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/graphics/+/5630359
Reviewed-by: Steve Cho <stevecho@chromium.org>
Commit-Queue: Bijan Choobineh‎ <bchoobineh@chromium.org>
Tested-by: Bijan Choobineh‎ <bchoobineh@chromium.org>
Auto-Submit: Bijan Choobineh‎ <bchoobineh@chromium.org>
1 file changed