This adds the "Not relevant" designation to PEP 486 since it has to do with
the Python Launcher for Windows and not the Python language itself.
Also fix a typo while we are touching this line.
Signed-off-by: David Lechner <david@pybricks.com>
And how they relate to MicroPython. As these features are implemented (or
the decision is made to not implement them) the tables can be updated to
document the differences between MicroPython and standard Python.