chore(end2end): remove old references to the scenario runner and update to point to protractor

lib/grunt/utils.js

@@ -136,7 +136,12 @@ module.exports = {
   },
 
 
-  updateWebdriver: function(done){
+  updateWebdriver: function(done){    
+    if (process.env.TRAVIS) {
+      // Skip the webdriver-manager update on Travis, since the browsers will
+      // be provided remotely.
+      done();
+    }
     var p = spawn('node', ['node_modules/protractor/bin/webdriver-manager', 'update']);
     p.stdout.pipe(process.stdout);
     p.stderr.pipe(process.stderr);