Merge pull request codeguy#859 from amayer5125/pdo-tutorial

Remove PDO Tutorial for MySQL Developers

Author: codeguy

_posts/07-02-01-Databases_MySQL.md

@@ -26,13 +26,11 @@ your applications within your own development schedules so you won't be rushed l
 
 * [MySQLi Prepared Statements][mysqli_prepared_statements]
 * [PHP: Choosing an API for MySQL][mysql_api]
-* [PDO Tutorial for MySQL Developers][pdo4mysql_devs]
 
 [mysql]: https://secure.php.net/mysqli
 [mysql_deprecated]: https://secure.php.net/migration55.deprecated
 [mysql_removed]: https://secure.php.net/manual/migration70.removed-exts-sapis.php
 [mysqli]: https://secure.php.net/mysqli
 [pdo]: https://secure.php.net/pdo
 [mysql_api]: https://secure.php.net/mysqlinfo.api.choosing
-[pdo4mysql_devs]: http://wiki.hashphp.org/PDO_Tutorial_for_MySQL_Developers
 [mysqli_prepared_statements]: https://websitebeaver.com/prepared-statements-in-php-mysqli-to-prevent-sql-injection