Revert badge code

Badge is not updated while switching documents

app/js/preload.js

@@ -1,5 +1,4 @@
 const {SpellCheckHandler, ContextMenuListener, ContextMenuBuilder} = require('electron-spellchecker');
-const {remote } = require('electron');
 
 window.spellCheckHandler = new SpellCheckHandler();
 setTimeout(() => window.spellCheckHandler.attachToInput(), 1000);
@@ -9,22 +8,3 @@ window.spellCheckHandler.autoUnloadDictionariesOnBlur();
 
 window.contextMenuBuilder = new ContextMenuBuilder(window.spellCheckHandler, null, true);
 window.contextMenuListener = new ContextMenuListener((info) => { window.contextMenuBuilder.showPopupMenu(info); });
-
-document.addEventListener('DOMContentLoaded', function(event) {
-  const notificationIndicator = document.querySelectorAll('.hp-notifications-badge')[0];
-
-  setTimeout(() => {
-    setBadge(notificationIndicator.textContent);
-  }, 200);
-
-  notificationIndicator.addEventListener('DOMCharacterDataModified', (event) => {
-    setBadge(event.newValue);
-  });
-
-  function setBadge(newValue) {
-    if (newValue !== '0')
-      remote.app.dock.setBadge(newValue);
-    else
-      remote.app.dock.setBadge('');
-  }
-});