Remove column declarations from individual accordion sections.

This will help w/ some of the accordion truncation wrapping issues (but not all).  This helps give a lot more space for the accordion sections themselves so data isn't unnecessarily squished.

#### Before
![before](https://cloud.githubusercontent.com/assets/96776/4068810/981799e8-2e3c-11e4-8e67-2bcc3dad062b.png)

#### After
![after](https://cloud.githubusercontent.com/assets/96776/4068811/9818dace-2e3c-11e4-9d1b-f565ac831d3f.png)