Remove "Ubuntu" from a link to page about general Linux

hroncok · hroncok · commit 38ce99c783fd · 2017-06-22T18:21:39.000+02:00
The page speaks about several Linux distros and it's not just
about Ubuntu
diff --git a/docs/starting/installation.rst b/docs/starting/installation.rst
@@ -24,4 +24,4 @@ for development purposes, as well as setuptools, pip and virtualenv.
 
 - :ref:`Python 2 on MacOS <install-osx>`.
 - :ref:`Python 2 on Microsoft Windows <install-windows>`.
-- :ref:`Python 2 on Ubuntu Linux <install-linux>`.
+- :ref:`Python 2 on Linux <install-linux>`.
