guardian/frontend — pull request #3920 by ironsidevsquincy (2014-04-15 13:52:20+00:00)
Title: Commercial: correctly remove ad label if event is empty

Previously, was removing whatever element was _before_ the advert

![1376947737_cheerleader_with_burning_baton_fail](https://cloud.githubusercontent.com/assets/74132/2707770/1c9dee58-c4a5-11e3-95c6-f83fa4d7efcf.gif)