Undo slight over-deletion on work that was in flight.

src/games/hvacoins/index.js

@@ -441,6 +441,11 @@ const buildHorrorSay = ({ say, event, commandName, c }) => async message => {
   }
 }
 
+const falloffMs = 5000
+const bucketSize = 3
+
+const messageBuffer = {}
+
 const buildSayWithPayload = ({ say, event }) => async msg => {
   const { user, text } = event