Remove unused import from Application

Author: weierophinney

src/Application.php

@@ -12,7 +12,6 @@
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use UnexpectedValueException;
-use Zend\Diactoros\Request;
 use Zend\Diactoros\Response;
 use Zend\Diactoros\Response\EmitterInterface;
 use Zend\Diactoros\Response\SapiEmitter;