Remove notice that was backported in revision 50527a1b769c.
@ -1099,11 +1099,6 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
Availability: Unix.
.. note::
For a higher-level wrapper of :func:`sendfile`, see
:mod:`socket.socket.sendfile`.
.. versionadded:: 3.3