Remove IP addresses from the Port interface.

Addresses are now indirectly associated with Ports.
diff --git a/core/store/src/main/java/org/onlab/onos/store/device/impl/DefaultPortSerializer.java b/core/store/src/main/java/org/onlab/onos/store/device/impl/DefaultPortSerializer.java
index bd0aa06..25122f6 100644
--- a/core/store/src/main/java/org/onlab/onos/store/device/impl/DefaultPortSerializer.java
+++ b/core/store/src/main/java/org/onlab/onos/store/device/impl/DefaultPortSerializer.java
@@ -1,19 +1,13 @@
 package org.onlab.onos.store.device.impl;
 
-import java.util.ArrayList;
-import java.util.Collection;
-
 import org.onlab.onos.net.DefaultPort;
 import org.onlab.onos.net.Element;
 import org.onlab.onos.net.PortNumber;
-import org.onlab.packet.IpPrefix;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
 import com.esotericsoftware.kryo.io.Input;
 import com.esotericsoftware.kryo.io.Output;
-import com.esotericsoftware.kryo.serializers.CollectionSerializer;
-import com.google.common.collect.ImmutableSet;
 
 // TODO move to util, etc.
 /**
@@ -22,10 +16,6 @@
 public final class DefaultPortSerializer extends
         Serializer<DefaultPort> {
 
-    private final CollectionSerializer ipAddrSerializer
-        = new CollectionSerializer(IpPrefix.class,
-                            new IpPrefixSerializer(), false);
-
     /**
      * Default constructor.
      */
@@ -39,8 +29,6 @@
         kryo.writeClassAndObject(output, object.element());
         kryo.writeObject(output, object.number());
         output.writeBoolean(object.isEnabled());
-        kryo.writeObject(output, object.ipAddresses(),
-                ipAddrSerializer);
     }
 
     @Override
@@ -49,11 +37,7 @@
         Element element = (Element) kryo.readClassAndObject(input);
         PortNumber number = kryo.readObject(input, PortNumber.class);
         boolean isEnabled = input.readBoolean();
-        @SuppressWarnings("unchecked")
-        Collection<IpPrefix> ipAddresses = kryo.readObject(
-                    input, ArrayList.class, ipAddrSerializer);
 
-        return new DefaultPort(element, number, isEnabled,
-                            ImmutableSet.copyOf(ipAddresses));
+        return new DefaultPort(element, number, isEnabled);
     }
 }