Minor: remove duplicated lines

Author: alamirault

components/dependency_injection.rst

@@ -178,7 +178,6 @@ You can override this behavior as follows::
     // the second argument is optional and defines what to do when the service doesn't exist
     $newsletterManager = $containerBuilder->get('newsletter_manager', ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE);
 
-
 These are all the possible behaviors:
 
  * ``ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE``: throws an exception

migration.rst

@@ -340,7 +340,6 @@ somewhat like this::
             throw new \Exception("Unhandled legacy mapping for $requestPathInfo");
         }
 
-
         public static function handleRequest(Request $request, Response $response, string $publicDirectory): void
         {
             $legacyScriptFilename = LegacyBridge::getLegacyScript($request);

reference/configuration/framework.rst

@@ -2847,32 +2847,6 @@ annotation changes). For performance reasons, it is recommended to disable
 debug mode in production, which will happen automatically if you use the
 default value.
 
-secrets
-~~~~~~~
-
-decryption_env_var
-..................
-
-**type**: ``string`` **default**: ``base64:default::SYMFONY_DECRYPTION_SECRET``
-
-The environment variable that contains the decryption key.
-
-local_dotenv_file
-.................
-
-**type**: ``string`` **default**: ``%kernel.project_dir%/.env.%kernel.environment%.local``
-
-Path to an dotenv file that holds secrets. This is primarily used for testing.
-
-vault_directory
-...............
-
-**type**: ``string`` **default**: ``%kernel.project_dir%/config/secrets/%kernel.environment%``
-
-The directory where the vault of secrets is stored.
-
-.. _configuration-framework-serializer:
-
 serializer
 ~~~~~~~~~~
 

reference/configuration/security.rst

@@ -495,7 +495,6 @@ user logs out::
                         ->domain('example.com');
         };
 
-
 clear_site_data
 ...............
 

reference/constraints/Unique.rst

@@ -95,7 +95,6 @@ Options
 
 **type**: ``array`` | ``string``
 
-
 This is defines the key or keys in a collection that should be checked for
 uniqueness. By default, all collection keys are checked for uniqueness.
 

workflow/workflow-and-state-machine.rst

@@ -282,7 +282,6 @@ machine type, use ``camelCased workflow name + StateMachine``::
         // ...
     }
 
-
 Automatic and Manual Validation
 -------------------------------