This reverts commit 370cae1d.

Reason for revert: Breaking gcc and bazel builds:
https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux%20gcc%20-%20builder/1646/overview
https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20-%20bazel%20-%20builder/1714/overview

Original change's description:
> heap: Inline GCTracer::Scope::Name
>
> This is a follow-up to https://crrev.com/c/3581774.
> It inlines method GCTracer::Scope::Name so that the calculation of the
> name of the trace event can be performed at compile time and optimized
> away, at most call sites.
>
> Bug: chromium:1318062
> Change-Id: I483d8fdfcc2c82c2a88d245326f27e7e787979aa
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3602511
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Omer Katz <omerkatz@chromium.org>
> Commit-Queue: Nikolaos Papaspyrou <nikolaos@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#80122}

Bug: chromium:1318062
Change-Id: Ib33472a3a51fa3922a0af4d1c7dbac4b30b0098b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3600682
Auto-Submit: Shu-yu Guo <syg@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Owners-Override: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80124}