remove download_url
remove download_url

scikit-hep/root_numpy,rootpy/root_numpy,rootpy/root_numpy,ndawe/root_numpy,rootpy/root_numpy,ndawe/root_numpy,scikit-hep/root_numpy,ndawe/root_numpy,ndawe/root_numpy,scikit-hep/root_numpy,scikit-hep/root_numpy,rootpy/root_numpy