hatch: Remove the support for hatch_whl

BUG=b:137180390
TEST=build mosys

Change-Id: I56d21326258a18dfe5b5be5d3acb50ef5f83d91e
Reviewed-on: https://chromium-review.googlesource.com/1700309
Tested-by: Philip Chen <philipchen@chromium.org>
Commit-Ready: Philip Chen <philipchen@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
2 files changed