rename back, symfony uses App in various places

bin/console

 #!/usr/bin/env php
 <?php
 
-use DBP\API\Server\Kernel;
+use App\Kernel;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Debug\Debug;

composer.json

@@ -25,12 +25,12 @@
     },
     "autoload": {
         "psr-4": {
-            "DBP\\API\\Server\\": "src/"
+            "App\\": "src/"
         }
     },
     "autoload-dev": {
         "psr-4": {
-            "DBP\\API\\Server\\Tests\\": "tests/"
+            "App\\Tests\\": "tests/"
         }
     },
     "replace": {

phpunit.xml.dist

@@ -10,7 +10,7 @@
     <php>
         <ini name="error_reporting" value="-1" />
         <server name="APP_ENV" value="test" force="true" />
-        <server name="KERNEL_CLASS" value="DBP\API\Server\Kernel" />
+        <server name="KERNEL_CLASS" value="App\Kernel" />
         <server name="SHELL_VERBOSITY" value="-1" />
         <server name="SYMFONY_PHPUNIT_REMOVE" value="" />
         <server name="SYMFONY_PHPUNIT_VERSION" value="8" />

public/index.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-use DBP\API\Server\Kernel;
+use App\Kernel;
 use Symfony\Component\ErrorHandler\Debug;
 use Symfony\Component\HttpFoundation\Request;
 

src/Kernel.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace DBP\API\Server;
+namespace App;
 
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
 use Symfony\Component\Config\Loader\LoaderInterface;