Remove reference to ``Tuple`` at top of ``typing`` docs (GH-29401)

``typing.Tuple`` has been deprecated since Python 3.9, so it makes no sense to mention it so prominently in the documentation for the ``typing`` module.
(cherry picked from commit 87032cfa3dc975d7442fd57dea2c6a56d31c911a)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>