Remove old archive which might not be in the right format
Remove old archive which might not be in the right format

jonfoster/pyxb-upstream-mirror,balanced/PyXB,jonfoster/pyxb2,pabigot/pyxb,jonfoster/pyxb2,CantemoInternal/pyxb,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,pabigot/pyxb,balanced/PyXB,balanced/PyXB,jonfoster/pyxb2,jonfoster/pyxb1,CantemoInternal/pyxb,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb1