Remove backdrop negative test

- We already have tests to check that the application is up and running
- This test pushes '400' errors to our logs
- These errors lead to red herrings

![](http://25.media.tumblr.com/6daa8841a594fe2f42e0f992ee36cf26/tumblr_mx01rzsGfN1r9qhhio1_500.jpg)