minor #11255 fix filepaths for code examples (OskarStark)

This PR was merged into the 3.4 branch.

Discussion
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fix filepaths for code examples

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Commits
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3282128 fix filepaths for code examples

Author: javiereguiluz

configuration/micro_kernel_trait.rst

@@ -185,7 +185,7 @@ hold the kernel. Now it looks like this::
             }
 
             // load the annotation routes
-            $routes->import(__DIR__.'/../src/App/Controller/', '/', 'annotation');
+            $routes->import(__DIR__.'/../src/Controller/', '/', 'annotation');
         }
 
         // optional, to use the standard Symfony cache directory
@@ -252,10 +252,10 @@ because the configuration started to get bigger:
             ],
         ]);
 
-This also loads annotation routes from an ``src/App/Controller/`` directory, which
+This also loads annotation routes from an ``src/Controller/`` directory, which
 has one file in it::
 
-    // src/App/Controller/MicroController.php
+    // src/Controller/MicroController.php
     namespace App\Controller;
 
     use Symfony\Bundle\FrameworkBundle\Controller\Controller;

form/data_mappers.rst

@@ -33,7 +33,7 @@ Creating a Data Mapper
 Suppose that you want to save a set of colors to the database. For this, you're
 using an immutable color object::
 
-    // src/App/Painting/Color.php
+    // src/AppBundle/Painting/Color.php
     namespace App\Painting;
 
     final class Color
@@ -80,7 +80,7 @@ The red, green and blue form fields have to be mapped to the constructor
 arguments and the ``Color`` instance has to be mapped to red, green and blue
 form fields. Recognize a familiar pattern? It's time for a data mapper::
 
-    // src/App/Form/DataMapper/ColorMapper.php
+    // src/AppBundle/Form/DataMapper/ColorMapper.php
     namespace App\Form\DataMapper;
 
     use App\Painting\Color;
@@ -143,7 +143,7 @@ You're ready to use the data mapper for the ``ColorType`` form. Use the
 :method:`Symfony\\Component\\Form\\FormConfigBuilderInterface::setDataMapper`
 method to configure the data mapper::
 
-    // src/App/Form/Type/ColorType.php
+    // src/AppBundle/Form/Type/ColorType.php
     namespace App\Form\Type;
 
     use App\Form\DataMapper\ColorMapper;