minor #11373 remove blank line after filepath in php code block (OskarStark)

This PR was merged into the 4.2 branch.

Discussion
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remove blank line after filepath in php code block

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Follow up of #11288 but against `4.2`

Commits
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5539265 remove blank line after filepath in php code block

Author: javiereguiluz

controller/service.rst

@@ -26,7 +26,6 @@ a service like: ``App\Controller\HelloController::index``:
     .. code-block:: php-annotations
 
         // src/Controller/HelloController.php
-
         use Symfony\Component\Routing\Annotation\Route;
 
         class HelloController

doctrine.rst

@@ -505,9 +505,7 @@ for you automatically! First, install the bundle in case you don't have it:
 Now, simplify your controller::
 
     // src/Controller/ProductController.php
-
     use App\Entity\Product;
-    // ...
 
     /**
      * @Route("/product/{id}", name="product_show")

messenger/multiple_buses.rst

@@ -145,7 +145,6 @@ binding capabilities to clarify which bus will be injected based on the argument
     .. code-block:: php
 
         // config/services.php
-
         $container->bind('$commandBus', 'messenger.bus.commands');
         $container->bind('$queryBus', 'messenger.bus.queries');
         $container->bind('$eventBus', 'messenger.bus.events');
@@ -185,7 +184,6 @@ you can restrict each handler to a specific bus using the ``messenger.message_ha
     .. code-block:: php
 
         // config/services.php
-
         $container->services()
             ->set(App\MessageHandler\SomeCommandHandler::class)
             ->tag('messenger.message_handler', ['bus' => 'messenger.bus.commands']);

routing.rst

@@ -821,7 +821,6 @@ If you need to generate a URL from a service, type-hint the :class:`Symfony\\Com
 service::
 
     // src/Service/SomeService.php
-
     use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
     class SomeService