This reverts commit fac31dfa.

Reason for revert:
https://build.chromium.org/p/client.v8.ports/builders/V8%20Arm%20-%20debug%20builder/builds/10827

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/98bbbff..5698e23
> 
> Rolling v8/buildtools: https://chromium.googlesource.com/chromium/buildtools/+log/93a751e..9c40f80
> 
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/755a485..fd88dfb
> 
> Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/4b58512..e70074d
> 
> TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org
> 
> Change-Id: I3b2ea9ca7e62566969e749e36eb42ccbf1bddb9d
> Reviewed-on: https://chromium-review.googlesource.com/774220
> Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
> Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#49399}

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

Change-Id: I4baaeb7eaeef42a9b2fe62064b4325d399f562ec
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/774438Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49400}