remove unused use statement

Author: atanas-dev

tests/unit-tests/Routing/RouterTest.php

@@ -6,7 +6,6 @@
 use Exception;
 use Mockery;
 use Psr\Http\Message\ResponseInterface;
-use stdClass;
 use WPEmerge\Exceptions\ErrorHandlerInterface;
 use WPEmerge\Facades\Framework;
 use WPEmerge\Middleware\MiddlewareInterface;