This reverts commit fb03b88e.

Reason for revert: Very speculative revert to make Win64 ASAN bot green:
https://ci.chromium.org/p/v8/builders/ci/V8%20Win64%20ASAN/17685

Original change's description:
> [web snapshots] Web Snapshots Version 0.01
>
> The minimal implementation which does something useful. Initial
> machinery for serializing / deserializing objects and functions (only
> the very simple cases are supported).
>
> For more info, see https://docs.google.com/document/d/1Qierkg3b3klIwCQt-oZCHqhcc1_9DXNIErBwvdpD4wU/edit?usp=sharing
>
> Bug: v8:11525
>
> Change-Id: I73c4de11285c7912bf9870868d203d4b3d2b4e5f
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2716288
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Shu-yu Guo <syg@chromium.org>
> Reviewed-by: Leszek Swirski <leszeks@chromium.org>
> Commit-Queue: Marja Hölttä <marja@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73371}

Bug: v8:11525
Change-Id: I8e1ea8666f2d4d6eac3575a364e0532167dd3316
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2757891
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73383}