Use DoctrineCacheBundle to create cache drivers

This patch allow us to get rid of some of the logic in [symfony/doctrine-bridge](https://github.com/symfony/symfony/blob/master/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php#L324) by using https://github.com/doctrine/DoctrineCacheBundle to create cache drivers

Thanks @kinncj