docs(scenarios): fix link to protractor docs

Closes angular#206

Author: alxfv

e2e-tests/scenarios.js

@@ -1,6 +1,6 @@
 'use strict';
 
-/* https://github.com/angular/protractor/blob/master/docs/getting-started.md */
+/* https://github.com/angular/protractor/blob/master/docs/toc.md */
 
 describe('my app', function() {