
We had not updated the docs in a while so there were references to the Python3 migration and Python3.6 still present in some places. This CL updates the docs to refer to the current Python version (3.8) and removes documentation for the Python3 migration, which is no longer necessary. Change-Id: Id59d10d90dbd8ceff0ec8203be5e4dfbdc58c4b3 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4824013 Reviewed-by: Andrew Grieve <agrieve@chromium.org> Reviewed-by: Takuto Ikuta <tikuta@chromium.org> Commit-Queue: Dirk Pranke <dpranke@google.com> Reviewed-by: Peter Wen <wnwen@chromium.org> Cr-Commit-Position: refs/heads/main@{#1190394}