Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/HttpExceptionInterface.php

@@ -1,34 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\HttpKernel\Exception;
-
-/**
- * Interface for HTTP error exceptions.
- *
- * @author Kris Wallsmith <kris@symfony.com>
- */
-interface HttpExceptionInterface
-{
-    /**
-     * Returns the status code.
-     *
-     * @return int An HTTP response status code
-     */
-    public function getStatusCode();
-
-    /**
-     * Returns response headers.
-     *
-     * @return array Response headers
-     */
-    public function getHeaders();
-}