Remove mentions of Python 2 (#2176)

Author: ambv

templates/downloads/download-sources-box.html

@@ -1,6 +1,6 @@
 <h2 class="widget-title">Sources</h2>
 <p>For most Unix systems, you must download and compile the source code. The same source code archive can also be used to build the Windows and Mac versions, and is the starting point for ports to all other platforms.</p>
 
-<p>Download the latest <a href="{{ latest_python3_source.url }}">Python 3</a> and <a href="{{ latest_python2_source.url }}">Python 2</a> source.</p>
+<p>Download the latest <a href="{{ latest_python3_source.url }}">Python 3</a> source.</p>
 
 <p><a class="readmore" href="/download/source/">Read more</a></p>

templates/downloads/os_list.html

@@ -29,7 +29,6 @@ <h1 class="page-title">Python Releases for {{ os.name }}</h1>
 
         <ul>
             <li><a href="{{ latest_python3.get_absolute_url }}">Latest Python 3 Release - {{ latest_python3.name }}</a></li>
-            <li><a href="{{ latest_python2.get_absolute_url }}">Latest Python 2 Release - {{ latest_python2.name }}</a></li>
         </ul>
         <div class="col-row two-col">
             <div class="column">