Revert "[mac/arm] pull python2 binary in cipd bootstrap now that it exists"
Revert "[mac/arm] pull python2 binary in cipd bootstrap now that it exists"

This reverts commit 44e954ddfbcc3919b58a2ee5839a69dafd37af01.

Reason for revert: Prerequisite for https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2872006

Original change's description:
> [mac/arm] pull python2 binary in cipd bootstrap now that it exists
>
> Bug: 1124119,1103236,1184768
> Change-Id: Ie56611586dd6f79989fba970de20846b845b08b6
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2870586
> Auto-Submit: Nico Weber <c0f02d98506190746d1cdcb01be0f37b51e27077@chromium.org>
> Commit-Queue: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>
> Reviewed-by: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>

Bug: 1124119
Bug: 1103236
Bug: 1184768
Change-Id: I9de566312d40d9fd109d245eab36b26d19e3b0b9
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2872007
Auto-Submit: Nico Weber <c0f02d98506190746d1cdcb01be0f37b51e27077@chromium.org>
Bot-Commit: Rubber Stamper <d516c4cc2192058ab8dae3d306acbdaf2ce6574f@appspot.gserviceaccount.com>
Commit-Queue: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>
Reviewed-by: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>

CoherentLabs/depot_tools,CoherentLabs/depot_tools