This reverts commit 8374feed.

Reason for revert: Breaking mjsunit/global-hash under the stress_snapshot variant, e.g.
https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20-%20debug%20-%20fyi/12560

Original change's description:
> [snapshot] rehash JSMap and JSSet during deserialization
> 
> To rehash JSMap and JSSet, we simply replace the backing store
> with a new one created with the new hash.
> 
> Bug: v8:9187
> Change-Id: I90c25b18b33b7bc2b6ffe1b89fe17aa5f978b517
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2143983
> Commit-Queue: Joyee Cheung <joyee@igalia.com>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Reviewed-by: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#67663}

TBR=cbruni@chromium.org,jgruber@chromium.org,verwaest@chromium.org,joyee@igalia.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: v8:9187
Change-Id: I4a89768c031cd3971eefd9f88528ddd52e1284c9
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2192657Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67696}