[LyX/ next] Prepare the removal of Python 2 support

[José Matos]

On Thu, 2024-05-30 at 19:10 +0200, Jean-Marc Lasgouttes wrote:
> I'd suggest AM_PATH_PYTHON now that we do not have 2 versions
> anymore.
> https://www.gnu.org/software/automake/manual/html_node/Python.html

Does that means that the code can be simplified like this?

# Find a suitable python interpreter
AM_PATH_PYTHON([3.10.0])

And then we can remove config/lyxpython.m4, right?

Thank you for looking into this black magic voodoo stuff. :-D
-- 
José Abílio