Remove SqlitePlatform useless class

Author: mtarld

composer.json

@@ -18,7 +18,7 @@
     "require": {
         "php": ">=7.2",
         "doctrine/doctrine-bundle": "^2.0",
-        "doctrine/orm": "^2.7",
+        "doctrine/orm": "^2.7.1",
         "league/oauth2-server": "^8.0",
         "nyholm/psr7": "^1.4",
         "psr/http-factory": "^1.0",

tests/Support/SqlitePlatform.php

@@ -4,6 +4,7 @@
 
 namespace League\Bundle\OAuth2ServerBundle\Tests;
 
+use Doctrine\DBAL\Platforms\SqlitePlatform;
 use League\Bundle\OAuth2ServerBundle\Manager\AccessTokenManagerInterface;
 use League\Bundle\OAuth2ServerBundle\Manager\AuthorizationCodeManagerInterface;
 use League\Bundle\OAuth2ServerBundle\Manager\ClientManagerInterface;
@@ -12,7 +13,6 @@
 use League\Bundle\OAuth2ServerBundle\Tests\Fixtures\FakeGrant;
 use League\Bundle\OAuth2ServerBundle\Tests\Fixtures\FixtureFactory;
 use League\Bundle\OAuth2ServerBundle\Tests\Fixtures\SecurityTestController;
-use League\Bundle\OAuth2ServerBundle\Tests\Support\SqlitePlatform;
 use Symfony\Component\Config\Loader\LoaderInterface;
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;