Revert of [wasm] Identify wasm functions with index into the function tables. (patchset #7 id:110001 of https://codereview.chromium.org/2690113012/ )

Reason for revert:
Introduces a new test failure/flake: https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20debug/builds/13707

Original issue's description:
> [wasm] Identify wasm functions with index into the function tables.
>
> Currently, the default name for wasm functions in generated code is 'wasm', tag wasm functions with the index into the function table to identify functions. Snippets of sample output with --print-code below.
>
> Before:
> --- Code ---
> kind = WASM_FUNCTION
> name = wasm
> compiler = turbofan
>
> After:
> --- Code ---
> kind = WASM_FUNCTION
> name = wasm#200
> compiler = turbofan
>
> R=mtrofin@chromium.org
>
> Review-Url: https://codereview.chromium.org/2690113012
> Cr-Commit-Position: refs/heads/master@{#43296}
> Committed: https://chromium.googlesource.com/v8/v8/+/5fc3ac29e4d942ccb4c45f6cdcee75d0b394b296

TBR=mtrofin@chromium.org,gdeepti@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.

Review-Url: https://codereview.chromium.org/2708593002
Cr-Commit-Position: refs/heads/master@{#43302}