Revert "[Temporal] Mark fixed tests"

This reverts commit d9f58973.

Reason for revert: Break UBSAN

Original change's description:
> [Temporal] Mark fixed tests
>
> Bug: v8:11544
> Change-Id: Iefd64619e6361683e70fdac26d155aa8d27da9e5
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3824751
> Reviewed-by: Shu-yu Guo <syg@chromium.org>
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#82405}

Bug: v8:11544
Change-Id: I5501bf416345a69508a07f4bbe70bb300f49c296
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3827663Reviewed-by: Frank Tang <ftang@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82406}