903 remove cumulative for torque cat

closes #903 

Unfortunately there were no tests for this part of the UI, and considering the change is minimal I don't think it is worth it atm. Verified working as expected manually instead:
![screen shot 2014-11-12 at 16 24 47](https://cloud.githubusercontent.com/assets/978461/5013663/f031caec-6a8f-11e4-82d4-bbd45633e462.png)