Remove wrong copyright blocks [skip ci]

resources/lang/en_US/config.php

@@ -1,16 +1,5 @@
 <?php
 declare(strict_types=1);
-
-/**
- * config.php
- * Copyright (C) 2016 thegrumpydictator@gmail.com
- *
- * This software may be modified and distributed under the terms of the
- * Creative Commons Attribution-ShareAlike 4.0 International License.
- *
- * See the LICENSE file for details.
- */
-
 return [
     'locale'          => 'en, English, en_US, en_US.utf8, en_US.UTF-8',
     'month'           => '%B %Y',