This reverts commit c6512213.

Reason for revert: The recipe-roll https://crrev.com/c/1859692 is
stuck on owners approval and blocks a P0 revert. Please watch and
assist the roll on next reland.

Original change's description:
> depot_tools: Run recipe scripts using vpython.
> 
> This is a reland of 88d7869d
> 
> Original change's description:
> > Reland "depot_tools: Add httplib2 to .vpython"
> >
> > This is a reland of e1410883
> >
> > Use vpython to execute git_cl.py, gerrit_util.py and presubmit_support.py on recipes.
> >
> > Original change's description:
> > > depot_tools: Add httplib2 to .vpython
> > >
> > > Check that things won't break before further changes are made.
> > >
> > > Bug: 1002153
> > > Change-Id: I41866f26334bf9ec2732bc0f25007234a95130e4
> > > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1854749
> > > Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
> > > Commit-Queue: Andrii Shyshkalov <tandrii@google.com>
> > > Reviewed-by: Andrii Shyshkalov <tandrii@google.com>
> >
> > Bug: 1002153
> > Recipe-Nontrivial-Roll: build
> > Recipe-Nontrivial-Roll: chromiumos
> > Recipe-Nontrivial-Roll: infra
> > Recipe-Nontrivial-Roll: skia
> > Recipe-Nontrivial-Roll: build_limited_scripts_slave
> > Recipe-Nontrivial-Roll: release_scripts
> > Change-Id: Id94057eae8830dec197257df3ea35c0c4ff946b7
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1856650
> > Reviewed-by: Andrii Shyshkalov <tandrii@google.com>
> > Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
> 
> Bug: 1002153
> Recipe-Nontrivial-Roll: build
> Recipe-Nontrivial-Roll: infra
> Recipe-Nontrivial-Roll: skia
> Recipe-Nontrivial-Roll: build_limited_scripts_slave
> Recipe-Nontrivial-Roll: release_scripts
> Change-Id: If071bfd2e4514a06deec2c0d4196b4953841b64f
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1859895
> Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
> Reviewed-by: Anthony Polito <apolito@google.com>
> Reviewed-by: Andrii Shyshkalov <tandrii@google.com>

TBR=tandrii@google.com,ehmaldonado@chromium.org,apolito@google.com

Change-Id: I140264534db7eec0e1baf19354155d714fb58ed3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1002153
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1861974Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>