This reverts commit 0738c63a.

Reason for revert: Closes tree

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/80892bf..2cef311
> 
> Rolling v8/buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/3e50219..a9db5de
> 
> Rolling v8/buildtools/third_party/libc++/trunk: https://chromium.googlesource.com/chromium/llvm-project/libcxx/+log/22d3f6d..9ae8fb4
> 
> Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/cf661ac..48f640f
> 
> TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org
> 
> Change-Id: Ibe4c24ac7d8a576c21306a915b0d68222eb4477b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1507318
> Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
> Cr-Commit-Position: refs/heads/master@{#60077}

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org,v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com

Change-Id: I84832aa42e94f79b6c55f083d574e15c8c2d9353
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1505583Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60078}