Revert of Add ability to override DEPS file in recursedeps. (patchset #1 id:1 of https://codereview.chromium.org/1919103003/ )

Reason for revert:
Looks like this broke some bots; see https://build.chromium.org/p/chromium.infra.cron/builders/recipe-autoroller-public/builds/2960

https://build.chromium.org/p/chromium.infra.cron/builders/gsubtreed-luci-py/builds/52912

Original issue's description:
> Add ability to override DEPS file in recursedeps.
> 
> This will allow ANGLE to have a recursible deps-file in their repo instead of
> relying on chromium's DEPS file to specify an accurate dependency for itself.
> 
> R=agable@chromium.org, jmadill@chromium.org
> BUG=
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=300293

TBR=agable@chromium.org,dpranke@chromium.org,jmadill@chromium.org,iannucci@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.chromium.org/1932063002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@300304 0039d316-1c4b-4281-b951-d872f2087c98