This is empty and unused, instead there's a in-doc api-ref that is used.
Let's drop this separate copy.
Related-Bug: #1827243
Depends-On: https://review.opendev.org/656671
Change-Id: I0b37ea0fdf15e30244d86a36026e8c9ebc2f7e70
html_last_updated_fmt option is interpreted as a
byte string in python3, causing Sphinx build to break.
This patch makes it utf-8 string.
Change-Id: I5f529e5f15341e28b257cd42766e66390469d3f6
Closes-Bug:#1693670
Andreas Jaeger