rm MySQL (another Oracle fuckup)

README.md

@@ -510,7 +510,6 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 * [Firebird](http://www.firebirdsql.org/) - True universal database.
 * [Galera](http://galeracluster.com/) - Galera Cluster for MySQL is an easy-to-use high-availability solution with high system up-time, no data loss, and scalability for future growth.
 * [MariaDB](https://mariadb.org/) - Community-developed fork of the MySQL.
-* [MySQL](http://dev.mysql.com/) - Most popular RDBMS server.
 * [Percona Server](http://www.percona.com/software) - Enhanced, drop-in MySQL replacement.
 * [PostgreSQL](http://www.postgresql.org/) - Object-relational database management system (ORDBMS).
 * [PostgreSQL-XL](http://www.postgres-xl.org/) - Scalable PostgreSQL-based database cluster.