Removed redundant link in 1.7 release notes.

These release notes cover the `new features`_, as well as some `backwards

incompatible changes`_ you'll want to be aware of when upgrading from Django

1.6 or older versions. We've also dropped some features, which are detailed in

:ref:`our deprecation plan <deprecation-removed-in-1.7>`, we've `begun the

deprecation process for some features`_, and some features have reached the

end of their deprecation process and `have been removed`_.

1.6 or older versions. We've `begun the deprecation process for some features`_,

and some features have reached the end of their deprecation process and

`have been removed`_.

.. _`new features`: `What's new in Django 1.7`_

.. _`backwards incompatible changes`: `Backwards incompatible changes in 1.7`_