Fix type errors

src/main/windows/main.js

@@ -32,7 +32,6 @@ function init (state, options) {
 
   const win = main.win = new electron.BrowserWindow({
     backgroundColor: '#282828',
-    backgroundThrottling: false, // do not throttle animations/timers when page is background
     darkTheme: true, // Forces dark theme (GTK+3)
     height: initialBounds.height,
     icon: getIconPath(), // Window icon (Windows, Linux)

src/main/windows/webtorrent.js

@@ -13,7 +13,6 @@ const config = require('../../config')
 function init () {
   const win = webtorrent.win = new electron.BrowserWindow({
     backgroundColor: '#1E1E1E',
-    backgroundThrottling: false, // do not throttle animations/timers when page is background
     center: true,
     fullscreen: false,
     fullscreenable: false,