Moto’s still has dialogue for those with an Infinite Continue Coin, but nothing happens after the dialogue.
I would assume this is either a bug, and he should still be rewarding the Beedog mail carrier, or this is an oversight and they forgot to remove the dialogue since the event ended.
If the latter, you could save a lot of people disappointment by removing it!
Tarnished Coast Engineer and… general alt-o-holic.
For the toast!