Fix/wdio cannot start with cloud (#1424)

* fix issue that cloud service cannot start

* updated based on feedback

Author: kobenguyent

lib/helper/WebDriver.js

@@ -246,10 +246,11 @@ class WebDriver extends Helper {
   _validateConfig(config) {
     const defaults = {
       // webdriverio defaults
-      protocol: 'http',
-      host: '0.0.0.0',
-      port: 4444,
-      path: '/wd/hub',
+      // Those will prevent cloud service to be initialized
+      // protocol: 'http',
+      // host: '0.0.0.0',
+      // port: 4444,
+      // path: '/wd/hub',
       logLevel: 'error',
 
       // codeceptjs