remove useless annotation routing config changes

Author: xabbuh

page_creation.rst

@@ -99,15 +99,6 @@ routes. First, install the annotations package:
 
     $ composer require annotations
 
-Then, in ``config/routes.yaml``, remove the route you just created and uncomment
-the annotation route import at the bottom:
-
-.. code-block:: yaml
-
-    controllers:
-        resource: ../src/Controller/
-        type: annotation
-
 After this one-time setup, you can now add your route directly *above* the controller:
 
 .. code-block:: diff