Remove new message audio notification

Bye, bye, dear Ka-Klunk!

Gruntfile.js

@@ -121,7 +121,6 @@ module.exports = function(grunt) {
         '!js/register.js'
       ],
       res: [
-        'audio/**',
         'images/**/*',
         'fonts/*',
       ]

js/notifications.js

@@ -14,7 +14,6 @@
     };
 
     let isEnabled = false;
-    var sound = new Audio('audio/NewMessage.mp3');
 
     Whisper.Notifications = new (Backbone.Collection.extend({
         initialize: function() {
@@ -48,11 +47,6 @@
                 return;
             }
 
-            var audioNotification = storage.get('audio-notification') || false;
-            if (audioNotification) {
-                sound.play();
-            }
-
             var setting = storage.get('notification-setting') || 'message';
             if (setting === SETTINGS.OFF) {
                 return;

package.json

@@ -194,7 +194,6 @@
       "app/*",
       "preload.js",
       "main.js",
-      "audio/**",
       "images/**",
       "fonts/*",
       "build/assets",