This reverts commit 36dd2bca.

Reason for revert: msan still failing https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/26453


Original change's description:
> Reland "[json] Speed up json parsing"
> 
> This is a reland of de8aaef5
> 
> Original change's description:
> > [json] Speed up json parsing
> >
> > - scan using raw data pointers + GC callback
> > - scan using scanner tables
> > - cap internalizing large string values
> > - inline fast transitioning logic
> >
> > Change-Id: I545620017b38b80e4193dfaf19381411adf5ff89
> > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1584320
> > Commit-Queue: Toon Verwaest <verwaest@chromium.org>
> > Reviewed-by: Igor Sheludko <ishell@chromium.org>
> > Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#61132}
> 
> Tbr: ulan@chromium.org
> Change-Id: Iafd5e7c750a9f3eae706baf51dc4c9237c916132
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1588887
> Commit-Queue: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61136}

TBR=ulan@chromium.org,gsathya@chromium.org,ishell@chromium.org,verwaest@chromium.org

Change-Id: If0a34e017fed7688873c21f4b65f62b246820732
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1590626Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61137}