No more need to delay did-fail-load event

lib/browser/api/web-contents.js

@@ -146,15 +146,6 @@ let wrapWebContents = function (webContents) {
     return menu.popup(params.x, params.y)
   })
 
-  // This error occurs when host could not be found.
-  webContents.on('did-fail-provisional-load', function (...args) {
-    // Calling loadURL during this event might cause crash, so delay the event
-    // until next tick.
-    setImmediate(() => {
-      this.emit.apply(this, ['did-fail-load'].concat(args))
-    })
-  })
-
   // The devtools requests the webContents to reload.
   webContents.on('devtools-reload-page', function () {
     webContents.reload()