remove jquery dependency

I think it's good to remove this dependancy because the module doesn't particularly need it.

I made the tests pass, but had to remove these two lines. Not sure if they are still necessary as elem isn't a jquery object anymore. Could use a double check on that. I just was getting an undefined error for both...

```javascript
elem.remove();
angular.element(elem).scope().$destroy();
```
![](http://i.giphy.com/H1lX50ZBbPTyM.gif)