contrib: drop mirror.chpc.utah.edu:443
remove unused mirror from list of required host/ports: the host is
unreachable due to DNS misconfiguration, and it doesn't look like we
need it for anything anyway.
@@ -5,7 +5,6 @@ registry.fedoraproject.org 443
mirrors.fedoraproject.org 443
dl.fedoraproject.org 443
ewr.edge.kernel.org 443
-mirror.chpc.utah.edu 443
mirror.clarkson.edu 443
mirror.umd.edu 443
mirror.vcu.edu 443
