Delete intermediate unscored rule data
Delete intermediate unscored rule data

If we have at least one feature that was scored, we don't need to
keep the unscored rule data around once the output job is ready
to run. We delete the rules/ subdirectory.

joshua-decoder/thrax,jweese/thrax,tdomhan/thrax,jweese/thrax,tdomhan/thrax,tdomhan/thrax,joshua-decoder/thrax,joshua-decoder/thrax,jweese/thrax,joshua-decoder/thrax