chore(python): skip docfx in main presubmit (#661)

* chore(python): skip docfx in main presubmit

* fix: properly template the repo name

Source-Author: Bu Sun Kim <[email protected]>
Source-Date: Fri Jan 8 10:32:13 2021 -0700
Source-Repo: googleapis/synthtool
Source-Sha: fb53b6fb373b7c3edf4e55f3e8036bc6d73fa483
Source-Link: https://github.com/googleapis/synthtool/commit/fb53b6fb373b7c3edf4e55f3e8036bc6d73fa483
3 files changed