Revert of [wasm][asm.js] Enable --validate-asm by default.

Revert of [wasm][asm.js] Enable --validate-asm by default. (patchset #2 id:20001 of https://codereview.chromium.org/2624813002/ )

Reason for revert:
Triggers flaky tests.

Original issue's description:
> [wasm][asm.js] Enable --validate-asm by default.
> 
> This directs all asm.js traffic via the Wasm backend.
> 
> R=titzer@chromium.org,aseemgarg@chromium.org
> BUG=v8:4203
> 
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Original-Commit-Position: refs/heads/master@{#42194}
> Committed: https://chromium.googlesource.com/v8/v8/+/946cc371ed4b34d1a9f5cc615b14c41b652562ad
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Commit-Position: refs/heads/master@{#42244}
> Committed: https://chromium.googlesource.com/v8/v8/+/3169fb94c98953f002908974a606b51a35178046

TBR=aseemgarg@chromium.org,titzer@chromium.org,bradnelson@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:4203
Review-Url: https://codereview.chromium.org/2627893003
Cr-Commit-Position: refs/heads/master@{#42253}
Committed: https://chromium.googlesource.com/v8/v8/+/d11da92f43f1f96981cb823ea2d2c9aa23a64176

[bradnelson, 2017-01-12 02:00:25]

The CQ bit was checked by bradnelson@chromium.org

[bradnelson, 2017-01-12 02:00:25]

Created Revert of [wasm][asm.js] Enable --validate-asm by default.

[commit-bot: I haz the power, 2017-01-12 02:00:31]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-12 02:00:40]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484186425021560, "parent_rev":
"f5f22cfc581a6bc52275053c0ce4d5e7cc2ad9f1", "commit_rev":
"d11da92f43f1f96981cb823ea2d2c9aa23a64176"}

[commit-bot: I haz the power, 2017-01-12 02:00:44]

Description was changed from

==========
Revert of [wasm][asm.js] Enable --validate-asm by default. (patchset #2 id:20001
of https://codereview.chromium.org/2624813002/ )

Reason for revert:
Triggers flaky tests.

Original issue's description:
> [wasm][asm.js] Enable --validate-asm by default.
> 
> This directs all asm.js traffic via the Wasm backend.
> 
> R=titzer@chromium.org,aseemgarg@chromium.org
> BUG=v8:4203
> 
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Original-Commit-Position: refs/heads/master@{#42194}
> Committed:
https://chromium.googlesource.com/v8/v8/+/946cc371ed4b34d1a9f5cc615b14c41b652...
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Commit-Position: refs/heads/master@{#42244}
> Committed:
https://chromium.googlesource.com/v8/v8/+/3169fb94c98953f002908974a606b51a351...

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

to

==========
Revert of [wasm][asm.js] Enable --validate-asm by default. (patchset #2 id:20001
of https://codereview.chromium.org/2624813002/ )

Reason for revert:
Triggers flaky tests.

Original issue's description:
> [wasm][asm.js] Enable --validate-asm by default.
> 
> This directs all asm.js traffic via the Wasm backend.
> 
> R=titzer@chromium.org,aseemgarg@chromium.org
> BUG=v8:4203
> 
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Original-Commit-Position: refs/heads/master@{#42194}
> Committed:
https://chromium.googlesource.com/v8/v8/+/946cc371ed4b34d1a9f5cc615b14c41b652...
> Review-Url: https://codereview.chromium.org/2624813002
> Cr-Commit-Position: refs/heads/master@{#42244}
> Committed:
https://chromium.googlesource.com/v8/v8/+/3169fb94c98953f002908974a606b51a351...

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

Review-Url: https://codereview.chromium.org/2627893003
Cr-Commit-Position: refs/heads/master@{#42253}
Committed:
https://chromium.googlesource.com/v8/v8/+/d11da92f43f1f96981cb823ea2d2c9aa23a...
==========

[commit-bot: I haz the power, 2017-01-12 02:00:45]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/d11da92f43f1f96981cb823ea2d2c9aa23a...