Replace howler.js with simple <audio />, will hopefully resolve

some weird mobile browser behaviours

app/assets/javascripts/components/store/configureStore.jsx

@@ -3,21 +3,14 @@ import thunk from 'redux-thunk';
 import appReducer from '../reducers';
 import loadingBarMiddleware from '../middleware/loading_bar';
 import errorsMiddleware from '../middleware/errors';
-import soundsMiddleware from 'redux-sounds';
-import Howler from 'howler';
+import soundsMiddleware from '../middleware/sounds';
 import Immutable from 'immutable';
 
-Howler.mobileAutoEnable = false;
-
-const soundsData = {
-  boop: '/sounds/boop.mp3'
-};
-
 export default function configureStore() {
   return createStore(appReducer, compose(applyMiddleware(
     thunk,
     loadingBarMiddleware({ promiseTypeSuffixes: ['REQUEST', 'SUCCESS', 'FAIL'] }),
     errorsMiddleware(),
-    soundsMiddleware(soundsData)
+    soundsMiddleware()
   ), window.devToolsExtension ? window.devToolsExtension() : f => f));
 };