Remove a docstring from members of namedtuple

Is your feature request related to a problem? Please describe.
All members of namedtuple have a similar docstring: "Alias for field number N".

$ python
Python 3.8.1 (default, Feb 13 2020, 13:34:23)
[Clang 11.0.0 (clang-1100.0.33.17)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from collections import namedtuple
>>>
>>> Coordinate = namedtuple('Coordinate', 'X Y')
>>> Coordinate.__doc__
'Coordinate(X, Y)'
>>> Coordinate.X.__doc__
'Alias for field number 0'
>>> Coordinate.Y.__doc__
'Alias for field number 1'

This would be helpful for online document tool like help(). But it is a bit redundant for the built document.

Describe the solution you'd like
Remove a docstring from members of namedtuple.

Describe alternatives you've considered
N/A

Additional context
refs: https://chrisdown.name/2015/09/20/removing-namedtuple-docstrings-from-sphinx.html

• [e.g. URL or Ticket]

No source file or test is named. Start by reproducing the Python namedtuple example and trace how Sphinx documents namedtuple members; done should mean the generated member docstrings are omitted while the namedtuple class documentation remains available.