This reverts commit 7b5a4022.

Reason for revert: GC stress-test failures exposed by 7742e534
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20GC%20Stress%20-%20custom%20snapshot/builds/15110/steps/Mjsunit/logs/exceptions


Original change's description:
> Add capability of throwing values in WASM
> 
> Extends the current implementation of WASM exceptions to be able to
> throw exceptions with values (not just tags).
> 
> An JS typed array (uint_16) is used to hold thrown values, so that the
> thrown values can be inspected in JS.
> 
> Bug: v8:6577
> Change-Id: I1007e79ceaffd64386b62562919cfbb920fc10c5
> Reviewed-on: https://chromium-review.googlesource.com/633866
> Commit-Queue: Karl Schimpf <kschimpf@chromium.org>
> Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
> Reviewed-by: Eric Holk <eholk@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#48001}

TBR=bbudge@chromium.org,mtrofin@chromium.org,eholk@chromium.org,clemensh@chromium.org,kschimpf@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: v8:6577
Change-Id: I8f545183c2d2abb1bf4a0b3ee23379f3754ffd55
Reviewed-on: https://chromium-review.googlesource.com/667019Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Mircea Trofin <mtrofin@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48050}