Updated pipenv docs link, removed related footnote

Author: pbx

source/key_projects.rst

@@ -117,7 +117,7 @@ command-line interface (CLI).
 Pipenv
 ======
 
-`Docs <https://docs.pipenv.org>`__ [3]_ |
+`Docs <https://pipenv.pypa.io/>`__ |
 `Source <https://github.com/pypa/pipenv>`__ |
 `Issues <https://github.com/pypa/pipenv/issues>`__ |
 `PyPI <https://pypi.org/project/pipenv>`__
@@ -663,9 +663,4 @@ information, see the section on :ref:`Creating and using Virtual Environments`.
 
 .. [2] Multiple projects reuse the distutils-sig mailing list as their user list.
 
-.. [3] The pipenv docs usually live at `http://docs.pipenv.org/
-       <http://docs.pipenv.org/>`__ but that is currently an expired
-       domain name. `This temporary workaround
-       <https://pipenv.kennethreitz.org/en/latest/>`__ works.
-
 .. _distribute: https://pypi.org/project/distribute