[doctrine] Removing special concern about debug mode in command task in 2.1 - see #1818

Author: weaverryan

book/doctrine.rst

@@ -1369,12 +1369,7 @@ Some notable or interesting tasks include:
 
   .. code-block:: bash
 
-      $ php app/console doctrine:ensure-production-settings --no-debug --env=prod
-
-  .. caution::
-
-      Don't forget to add the ``--no-debug`` switch, because the debug flag is 
-      always set to true, even if the environment is set to ``prod``.
+      $ php app/console doctrine:ensure-production-settings --env=prod
 
 * ``doctrine:mapping:import`` - allows Doctrine to introspect an existing
   database and create mapping information. For more information, see