Revert of Adding ia32 simd assembler changes. (patchset #2 id:20001 of https://codereview.chromium.org/1991713002/ )

Reason for revert:
Crashes on win32 debug:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug/builds/2305/steps/Check/logs/stdio

Also, would be nice if the test output could be a bit shorter and only print what's necessary to trace a failure. Or split things into more smaller tests. Like that, these logs must be processed, json-encoded/decoded and sent around through the infrastructure.

Some chars in the output make the json encoder unhappy, therefore the infrastructure can't nicely display the failures.

Original issue's description:
> Adding ia32 simd assembler support.
>
> Based on assembler changes from this patch:
> https://codereview.chromium.org/90643003/
>
> BUG=https://bugs.chromium.org/p/v8/issues/detail?id=4124
> R=titzer@chromium.org
> LOG=N
>
> Committed: https://crrev.com/fbf58a5af1d07a7fbb3763aa15f8ba26e2ce7d11
> Cr-Commit-Position: refs/heads/master@{#36349}

TBR=bbudge@chromium.org,titzer@chromium.org,gdeepti@chromium.org,aseemgarg@chromium.org,bradnelson@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=https://bugs.chromium.org/p/v8/issues/detail?id=4124

Review-Url: https://codereview.chromium.org/1992163002
Cr-Commit-Position: refs/heads/master@{#36353}