Revert of Enable asm-wasm mjsunit tests. (patchset #1 id:1 of https://codereview.chromium.org/1687813003/ )

Reason for revert:
[Sheriff] Breaks chromebooks with arm:
https://build.chromium.org/p/client.v8/builders/V8%20Arm/builds/4397

You can reland, but please keep it skipped for arm.

Original issue's description:
> Enable asm-wasm mjsunit tests.
>
> BUG= https://code.google.com/p/v8/issues/detail?id=4203
> TEST=mjsunit/asm-wasm
> R=aseemgarg@chromium.org,titzer@chromium.org
> LOG=N
>
> Committed: https://crrev.com/46728d4d9576585bceaa66b8362755c29d3e54bd
> Cr-Commit-Position: refs/heads/master@{#33883}

TBR=aseemgarg@chromium.org,titzer@chromium.org,bradnelson@google.com,bradnelson@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG= https://code.google.com/p/v8/issues/detail?id=4203

Review URL: https://codereview.chromium.org/1689113003

Cr-Commit-Position: refs/heads/master@{#33905}