This reverts commit 4997ce58.

Reason for revert: CHECK triggers on content_browsertests, blocking V8 roll
https://cr-buildbucket.appspot.com/build/8829191878491185313

Original change's description:
> cppgc: Add targeted CHECK for diagnosing Peristent issue
>
> The added CHECK aims at finding problems where Peristent is used off
> the owning thread.
>
> Bug: chromium:1253650, chromium:1243257
> Change-Id: Ia0cbc6005aba38c0d98197ed18c3b40dd2dc33fd
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3306972
> Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Anton Bikineev <bikineev@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#78137}

Bug: chromium:1253650, chromium:1243257
Change-Id: I6b5c3d3ac0a01e1e3de31a10d5903ea26cf5ae9a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3308373
Auto-Submit: Adam Klein <adamk@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#78142}