Remove deprecated deserialize() mthods from packet classes

Change-Id: I4e52ab368390d30f5f5f24d443a5021916d0c6a3
diff --git a/utils/misc/src/main/java/org/onlab/packet/dhcp/DhcpRelayAgentOption.java b/utils/misc/src/main/java/org/onlab/packet/dhcp/DhcpRelayAgentOption.java
index adda088..08f488d 100644
--- a/utils/misc/src/main/java/org/onlab/packet/dhcp/DhcpRelayAgentOption.java
+++ b/utils/misc/src/main/java/org/onlab/packet/dhcp/DhcpRelayAgentOption.java
@@ -17,9 +17,7 @@
 package org.onlab.packet.dhcp;
 
 import com.google.common.collect.Maps;
-import org.onlab.packet.DeserializationException;
 import org.onlab.packet.Deserializer;
-import org.onlab.packet.IPacket;
 import org.slf4j.Logger;
 
 import java.nio.ByteBuffer;
@@ -77,15 +75,7 @@
         return byteBuffer.array();
     }
 
-    @Override
-    public IPacket deserialize(byte[] data, int offset, int length) {
-        try {
-            return deserializer().deserialize(data, offset, length);
-        } catch (DeserializationException e) {
-            log.warn("can't deserialize DHCP relay agent information option {}", e);
-            return null;
-        }
-    }
+
 
     /**
      * Deserializer function for DHCP relay agent option.