SIMD is now shipped, so we don't need to pass the experimental wasm simd
flag.

Change-Id: I54090cec575da5eecfd2bf9a455ac5d0ef3f146e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3169313Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76918}