This reverts commit daca9078.

Reason for revert: https://crbug.com/v8/6857

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/898597f..57716b3
> 
> Rolling v8/buildtools: https://chromium.googlesource.com/chromium/buildtools/+log/cbc33b9..f6d165d
> 
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/e3fe21f..9a255f5
> 
> Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/cf5e2ed..66be66d
> 
> TBR=machenbach@chromium.org,hablich@chromium.org
> 
> Change-Id: I8c7a9604d7ed71f9580cc17e7c4236348983e0a9
> Reviewed-on: https://chromium-review.googlesource.com/681848
> Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
> Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#48150}

TBR=v8-autoroll@chromium.org,machenbach@chromium.org,hablich@chromium.org

Bug: v8:6857
Change-Id: I5fc28fb81c5b60fecefbd3324d6b1f1af85f85e2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/684215Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48156}