Drop Python2 for the build?

[David Disseldorp]

On Sat, 05 Sep 2020 14:22:34 +1200, Andrew Bartlett via samba-technical wrote:

> As background, the first Samba release with python3 support, 4.10, was
> released in March 2019, so if we did this for 4.14 this would be a two-
> year gap.
> 
> What do folks think?

+1 from me. Given the upstream EOL I think making 4.13 the last release
with python2 support makes sense.

Cheers, David