This reverts commit b824d853.

Reason for revert: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux64%20-%20debug/36784/overview

Original change's description:
> [wasm-simd][x64][ia32] Factor f64x2.replace_lane into shared code
>
> This pblendw/movlhps combination has lower latency and requires less
> unop than pinsrq (1 v.s. 2).
>
> Bug: v8:11589
> Change-Id: I770b0c20a286774afefbac5ef0adffe463318f21
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2828871
> Reviewed-by: Bill Budge <bbudge@chromium.org>
> Commit-Queue: Zhi An Ng <zhin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#74049}

Bug: v8:11589
Change-Id: I1be96e59fdb844db1e228be3a09d4a06798a16c3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2837805
Auto-Submit: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#74050}