This reverts commit d3b295fa.

Reason for revert: speculative revert for https://ci.chromium.org/p/v8/builders/ci/V8%20Linux64%20TSAN/33146?

Original change's description:
> [compiler] Replace Symbol with direct reads
> 
> Bug: v8:7790
> Change-Id: I49120a6349777fd992a97d697940e79b2e71dbd1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2400988
> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69812}

TBR=neis@chromium.org,solanes@chromium.org

Change-Id: I10f69213e906e9b482ce4f8456ed7d5bcb039051
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7790
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2403256Reviewed-by: Sathya Gunasekaran  <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran  <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69815}