[#69449916] Removes raw queries from data-set form

- Uses `editable=False` flag at the model level.
- This will mean all data-sets will default to `True`, and will not be modifiable via the admin interface.

Sorted:
![](http://37.media.tumblr.com/cdf9c5d8e3620b7ab6258317572a0120/tumblr_n3oti0ntUL1qdlh1io1_400.gif)