This example was removed, because the Ember.js dependency injection architecture does not provide appropriate hooks for asynchronous module loading yet and thus the use of RequireJS with Ember.js is not advised.
To see what a TodoMVC application using Ember.js and RequireJS would look like in its current state, visit:
Ember.js + RequireJS Source Ember.js + RequireJS Demo
For more information, read the discussion.