Delete "automatiquement" to fix On/Off layout

There is a bug with the Layout of on/off button, we can't see the off.
And for me "automatiquement" is useless because "apply at start"  "Appliquer au démarrage" is just the user need to understand the function
![screenshot_2014-03-08-16-05-33](https://f.cloud.github.com/assets/6277284/2365636/412590f4-a6d3-11e3-80a1-d68d135bfa82.png)