remove origin in ipv6 subnet zones

mdb/models.py

@@ -239,8 +239,8 @@ class Ip6Subnet(models.Model):
 		content += ";\n"
 
 		# find the network
-		network = ipaddr.IPv6Address("%s::" % self.network)
-		content += "$ORIGIN " + ".".join(network.exploded.replace(":","")[:16])[::-1] + ".ip6.arpa.\n"
+#		network = ipaddr.IPv6Address("%s::" % self.network)
+#		content += "$ORIGIN " + ".".join(network.exploded.replace(":","")[:16])[::-1] + ".ip6.arpa.\n"
 
 		for addr in self.ip6address_set.all():
 #			if addr.interface_set.count() == 0: continue