Revert "Don't register methods when there's nothing to register."

This reverts commit c2aef52539a8768678973214e04f09ed165134f4.
Revert "STE Multimedia Support (4/4)"

This reverts commit b8ba6c226421d94b6fdc3c8fd573092ed9311761.
Revert "Change SQL to improve performance."

This reverts commit b5c4236f45c594552b8bb08c341ad4846b6da132.