This reverts commit 1db61fb3.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux%20-%20debug/34083/overview

Original change's description:
> [wasm][eh] Stage exception handling
>
> This was staged through a back-merge in v8.9. Also stage it for the
> upcoming v9.0 release.
>
> R=​ahaas@chromium.org
>
> Bug: v8:8091
> Change-Id: Ie9e6d25bbc5d428e5c9128345209f95f2078b733
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2715524
> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73013}

Bug: v8:8091
Change-Id: I18b9706e8aab4883a3d3c120a6cd06e7232aecf7
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2718148
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73016}