Remove unused sections and fix User Voice icon scroll bug

![captura de tela 2014-10-23 as 18 37 52](https://cloud.githubusercontent.com/assets/566971/4760996/8218bfe8-5af4-11e4-9173-7cde2f1c771e.png)

![captura de tela 2014-10-23 as 18 37 58](https://cloud.githubusercontent.com/assets/566971/4761000/8583da96-5af4-11e4-836a-8153b91e5759.png)