The {wasm_kind} is completely unused, thus remove it before fixing a
wrong {CodeKind} for wasm-to-js functions.

R=mslekova@chromium.org

Bug: chromium:1254674
Change-Id: Ie3d260a7664d9a390d7edc49c2bf0692c8d798d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3202000Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77235}