This reverts commit b5f37051.

Reason for revert: Breaking the fuzzer https://bugs.chromium.org/p/v8/issues/detail?id=10918

Original change's description:
> [compiler] Replace JSDataView with direct reads
>
> Bug: v8:7790
> Change-Id: Id01c2e4359aa4294816ffe14c08a586a9b9b10c2
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2404768
> Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69904}

Change-Id: I9a470708f06328061d5d4ecf21fa38bc0e49ff45
Bug: v8:7790, v8:10918
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2410196Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69911}