Use main ports mirror since it seems to use a local mirror anyway.

misc-tools/dj_make_chroot.in

@@ -181,14 +181,10 @@ DEBOOTDEB="debootstrap_1.0.118ubuntu1_all.deb"
 if [ -z "$DEBMIRROR" ]; then
 	# x86_64 can use the main Ubuntu repo's, other
 	# architectures need to use a mirror from ubuntu-ports.
-	# Besides the main mirror (ports.ubuntu.com) currently
-	# only the one from kumi.systems seems to have most ports
-	# and it is faster than ports.ubuntu.com so we use that as
-	# default.
 	if [ "$(uname -m)" = "x86_64" ]; then
 		DEBMIRROR="http://us.archive.ubuntu.com./ubuntu/"
 	else
-		DEBMIRROR="http://mirror.kumi.systems/ubuntu-ports/"
+		DEBMIRROR="http://ports.ubuntu.com/ubuntu-ports/"
 	fi
 fi