Documentation: drop sidebar templates

docs/_templates/side-downloads.html

-
-<h4><a href="./getting_started.html#download-fork" style="color:#008800">Downloads</a></h4>
-

docs/_templates/side-gettingstarted.html

-
-<h4><a href="./getting_started.html">Getting Started</a></h4>
-

docs/_templates/side-informed.html

-
-<h3>Stay Informed</h3>
-
-You can follow our <a href="http://www.j-io.org/blog">blog</a> to get notified about new releases.
-

docs/_templates/side-support.html

-
-<h3>Support</h3>
-<p>
-  We have a <a href="http://www.j-io.org/forum">forum</a> and an <a href="https://github.com/nexedi/jio/issues">issue tracker</a>
-  on GitHub.
-</p>
-

docs/_templates/side-top.html

-<p>
-  <iframe src="http://ghbtns.com/github-btn.html?user=nexedi&repo=jio&type=watch&count=true&size=large"
-    allowtransparency="true" frameborder="0" scrolling="0" width="200px" height="35px"></iframe>
-</p>
-

docs/conf.py

@@ -134,8 +134,7 @@ html_static_path = ['_static']
 
 # Custom sidebar templates, maps document names to template names.
 html_sidebars = {
-    'index':    ['side-top.html', 'side-gettingstarted.html', 'side-downloads.html', 'side-support.html', 'side-informed.html', 'searchbox.html'],
-    '**':       ['side-top.html', 'localtoc.html', 'relations.html', 'searchbox.html']
+    'index':    []
 }