Python: remove pydoctor

Python: remove pydoctor

Removes:

* waf pydoctor
* waf wafdocs
* make pydoctor

There is no "make wafdocs" it only appears to be in wscript.

The reasoning being is these are broken and appear to not have been run for some time.

Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Feb  2 21:15:54 UTC 2023 on atb-devel-224