style: apply fixes from mago

Author: innocenzi

src/Tempest/Framework/Testing/IntegrationTest.php

@@ -16,7 +16,6 @@
 use Tempest\Console\OutputBuffer;
 use Tempest\Console\Testing\ConsoleTester;
 use Tempest\Container\GenericContainer;
-use Tempest\Core\AppConfig;
 use Tempest\Core\ExceptionTester;
 use Tempest\Core\FrameworkKernel;
 use Tempest\Core\Kernel;