We now have an arm python binary, so this should no longer be needed.

Bug: 1103326,1184767,1103236
Change-Id: I5510bf2c61adc2d0d505a886956a6677303df271
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2888957
Auto-Submit: Nico Weber <thakis@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: Dirk Pranke <dpranke@google.com>