minor #3951 fix origin of AcmeDemoBundle (hice3000)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #3951).

Discussion
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fix origin of AcmeDemoBundle

Commits
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2d85bd0 remove origin of AcmeDemoBundle
33dba96 fix origin of AcmeDemoBundle

cookbook/console/console_command.rst

@@ -14,9 +14,8 @@ Automatically Registering Commands
 To make the console commands available automatically with Symfony2, create a
 ``Command`` directory inside your bundle and create a PHP file suffixed with
 ``Command.php`` for each command that you want to provide. For example, if you
-want to extend the AcmeDemoBundle (available in the Symfony Standard
-Edition) to greet you from the command line, create ``GreetCommand.php`` and
-add the following to it::
+want to extend the AcmeDemoBundle to greet you from the command line, create
+``GreetCommand.php`` and add the following to it::
 
     // src/Acme/DemoBundle/Command/GreetCommand.php
     namespace Acme\DemoBundle\Command;