emberjs/ember.js — pull request #1654 by elucid (2013-01-02 06:33:51+00:00)
Title: Remove redundant calls to ComputedProperty#property()

With no dependent keys, there is no reason to call `property()` on the `ComputedProperty` returned by `Ember.computed()`.

This of course is harmless but having many instances of it in the codebase cause people to cargo cult it.