This reverts commit 589a4d1d.

Reason for revert: Breaks webkit:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20predictable/builds/11714

Original change's description:
> [test] Don't hide crashes in predictable mode
> 
> Bug: v8:6426
> Change-Id: I278dda0d628732bb9c539c2648d2b27bcbc89bf0
> Reviewed-on: https://chromium-review.googlesource.com/512643
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#45504}

TBR=jkummerow@chromium.org,machenbach@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Bug: v8:6426

Change-Id: I85c573fa332f436bb57f2747ad98c26e1c1f23bd
Reviewed-on: https://chromium-review.googlesource.com/513866Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45506}