Removed swiftlet's example hooks
Removed swiftlet's example hooks

So far we haven't used Hooks yet, I see no reason to include these
outside of having their comments remain so we can see the example.
Otherwise we're carrying an unneeded variable in our scope for no
reason.

ezrpg/ezrpg-2.0.X-discontinued-,ezrpg/ezrpg-2.0.X-discontinued-