I forget how the XMLs got into the names here, but remove them.
I forget how the XMLs got into the names here, but remove them.

I think maybe I used to have tests for XML, text, and binary, but then didn't
change the name when I merged them all into one test.

darcyliu/mlpack,ajjl/mlpack,ranjan1990/mlpack,darcyliu/mlpack,darcyliu/mlpack,ranjan1990/mlpack,palashahuja/mlpack,palashahuja/mlpack,ranjan1990/mlpack,ajjl/mlpack,ajjl/mlpack,palashahuja/mlpack