Revert "Upgrade Kryo to 3.0.3."

Problems in distributed environment

This reverts commit aa20d61c303be21f8cc1c015601f1e63f76e54a0.

Change-Id: I9f94927edb769afb2c7576a34e017cd77c7af730
diff --git a/utils/misc/src/main/java/org/onlab/util/KryoNamespace.java b/utils/misc/src/main/java/org/onlab/util/KryoNamespace.java
index dc147d2..f5d2f9b 100644
--- a/utils/misc/src/main/java/org/onlab/util/KryoNamespace.java
+++ b/utils/misc/src/main/java/org/onlab/util/KryoNamespace.java
@@ -15,6 +15,17 @@
  */
 package org.onlab.util;
 
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.slf4j.Logger;
+
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
 import com.esotericsoftware.kryo.io.ByteBufferInput;
@@ -25,17 +36,6 @@
 import com.esotericsoftware.kryo.pool.KryoPool;
 import com.google.common.base.MoreObjects;
 import com.google.common.collect.ImmutableList;
-import org.apache.commons.lang3.tuple.Pair;
-import org.objenesis.strategy.StdInstantiatorStrategy;
-import org.slf4j.Logger;
-
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.List;
-
-import static org.slf4j.LoggerFactory.getLogger;
 
 /**
  * Pool of Kryo instances, with classes pre-registered.
@@ -381,9 +381,6 @@
     public Kryo create() {
         Kryo kryo = new Kryo();
         kryo.setRegistrationRequired(registrationRequired);
-        // TODO rethink whether we want to use StdInstantiatorStrategy
-        kryo.setInstantiatorStrategy(
-                new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy()));
         for (RegistrationBlock block : registeredBlocks) {
             int id = block.begin();
             if (id == FLOATING_ID) {