[issue40939] Remove the old parser

[Guido van Rossum]

Change by Guido van Rossum <guido at python.org>:


----------
pull_requests: +20782
pull_request: https://github.com/python/cpython/pull/21641

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40939>
_______________________________________