Uncomment test_sv_calling.py, dropping Delly.
Uncomment test_sv_calling.py, dropping Delly.

This tests pindel which we may not end up using but since the test
passes and tests other parts of the pipeline, it doesn't hurt to keep it
around.

churchlab/millstone,woodymit/millstone,woodymit/millstone,woodymit/millstone,churchlab/millstone,woodymit/millstone,churchlab/millstone,churchlab/millstone