This reverts commit 9c2c8f15.

Reason for revert: New test crashes: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux/28948

Original change's description:
> [wasm] Support encoding s128 simd types in exceptions.
> 
> This adds support for having simd type values (i.e. s128) stored in an
> exception. It is the natural combination of the simd propsal and the
> exception handling proposal.
> 
> R=​clemensh@chromium.org
> TEST=mjsunit/wasm/exceptions-simd
> BUG=v8:8390
> 
> Change-Id: I01079f82a6ba4d9152de4dae63e3db1584ca7cd8
> Reviewed-on: https://chromium-review.googlesource.com/c/1363141
> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
> Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58098}

TBR=mstarzinger@chromium.org,gdeepti@chromium.org,clemensh@chromium.org

Change-Id: Iedcfba36af925249131a2b0e9aebd92321ae72f5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8390
Reviewed-on: https://chromium-review.googlesource.com/c/1367808Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58102}