Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/symfony/translation/Symfony/Component/Translation/Dumper/JsonFileDumper.php

@@ -1,42 +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\Translation\Dumper;
-
-use Symfony\Component\Translation\MessageCatalogue;
-
-if (!defined('JSON_PRETTY_PRINT')) {
-    define('JSON_PRETTY_PRINT', 128);
-}
-
-/**
- * JsonFileDumper generates an json formatted string representation of a message catalogue.
- *
- * @author singles
- */
-class JsonFileDumper extends FileDumper
-{
-    /**
-     * {@inheritdoc}
-     */
-    public function format(MessageCatalogue $messages, $domain = 'messages')
-    {
-        return json_encode($messages->all($domain), JSON_PRETTY_PRINT);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    protected function getExtension()
-    {
-        return 'json';
-    }
-}