Remove redundent byte[].class registration

Also added names to some serializer for debugging purpose

Change-Id: I0997b61a5d08df84c85ca28f6a5ed23417fb8c22
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/OltPipeline.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/OltPipeline.java
index 0139573..a323427 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/OltPipeline.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/OltPipeline.java
@@ -114,8 +114,7 @@
             .register(GroupKey.class)
             .register(DefaultGroupKey.class)
             .register(OLTPipelineGroup.class)
-            .register(byte[].class)
-            .build();
+            .build("OltPipeline");
 
     @Override
     public void init(DeviceId deviceId, PipelinerContext context) {