Reason: flaky wasm crashes.

This leaves WeakArrayList::RemoveOne (+ tests for it) in place.

BUG=v8:7308, v8:8014

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: I1195d061ae7d3c82f921f94f50df3f09a55de5ca
Reviewed-on: https://chromium-review.googlesource.com/1161904Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54891}