Remoing link to now-gone web section

Author: weaverryan

cookbook/configuration/web_server_configuration.rst

@@ -19,7 +19,7 @@ to use PHP :ref:`with Nginx <web-server-nginx>`.
 
     The web directory is the home of all of your application's public and
     static files, including images, stylesheets and JavaScript files. It is
-    also where the front controllers live. For more details, see the :ref:`the-web-directory`.
+    also where the front controllers (``app.php`` and ``app_dev.php``) live.
 
     The web directory serves as the document root when configuring your
     web server. In the examples below, the ``web/`` directory will be the