Remove unused ResponseInterface import

Author: geerteltink

src/AuthorizationMiddlewareFactory.php

@@ -8,7 +8,6 @@
 namespace Zend\Expressive\Authorization;
 
 use Psr\Container\ContainerInterface;
-use Psr\Http\Message\ResponseInterface;
 use Zend\Diactoros\Response;
 use Zend\Expressive\Authentication\ResponsePrototypeTrait;