Revert "Ensuring that flushing does not occur more than once. Fixes d…

…avidkpiano#951 davidkpiano#884"

This reverts commit dd333e5.

src/utils/debounce.js

@@ -5,9 +5,6 @@ export default function debounce(func, delay) {
   const createLaterFunc = (args) => () => {
     timeout = null;
     func.apply(null, args);
-
-    // Only run the deferred function once
-    laterFunc = undefined;
   };
 
   const debouncedFunc = (...args) => {