Issue #478: Require symfony/var-exporter to keep LazyGhost support

Signed-off-by: alexmerlin <alex.merlin.1985@gmail.com>

Author: alexmerlin

src/App/src/ConfigProvider.php

@@ -7,7 +7,6 @@
 use Api\App\Command\RouteListCommand;
 use Api\App\Command\TokenGenerateCommand;
 use Api\App\Entity\EntityListenerResolver;
-use Api\App\Factory\AuthenticationMiddlewareFactory;
 use Api\App\Factory\EntityListenerResolverFactory;
 use Api\App\Factory\RouteListCommandFactory;
 use Api\App\Factory\TokenGenerateCommandFactory;