Fixing build with `v8_enable_webassembly = false`.

Change-Id: I911ea533a7a0a3111525066e6f9d57d27a351e5f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3708105Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#81221}