[docs] in FAQ: `http://wiki.python.org/moin/PythonSpeed/PerformanceTips` : not found

[秘湯]

In
    http://docs.python.org/2.7/faq/programming.html?highlight=global#my-program-is-too-slow-how-do-i-speed-it-up

Sentence:
    There is a page on the wiki devoted to `performance tips
<http://wiki.python.org/moin/PythonSpeed/PerformanceTips>`_.


but, http://wiki.python.org/moin/PythonSpeed/PerformanceTips does not exist.

And, `sorting mini-HOWTO <http://wiki.python.org/moin/HowTo/Sorting>`_
does not exist, too.