This reverts commit f4a747b7.

Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20-%20arm%20-%20sim%20-%20lite%20-%20debug/3001

Original change's description:
> [parser] Skip TDZ Checks in more cases of let and const
> 
> The parser can now skip TDZ checks for cases when a reference is in,
> or nested in, a scope that's both a sibling of the declaration and
> created by a function expression.
> 
> Bug: v8:7331
> Change-Id: Ia9748b5a8faa3037873efe5081837f5d0aa74115
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1542042
> Commit-Queue: Suraj Sharma <surshar@microsoft.com>
> Reviewed-by: Toon Verwaest <verwaest@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#60853}

TBR=adamk@chromium.org,verwaest@chromium.org,surshar@microsoft.com

Change-Id: Iaa34b1f7cafcc0e77cd7cc20372885b1904bd827
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7331
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1568078Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60854}