Remove bio/cv importers.

#6274 

Addressing https://github.com/openscholar/openscholar/issues/6274#issuecomment-48333281. This wasn't in 3.14 yet.

Output:
![selection_330](https://cloud.githubusercontent.com/assets/4497748/3520416/b93898ea-072f-11e4-8ad3-6de2d3f2c22c.png)