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/SpringOpenTTP.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java
index ad235f9..064a71e 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/SpringOpenTTP.java
@@ -140,8 +140,7 @@
             .register(DefaultGroupKey.class)
             .register(TrafficTreatment.class)
             .register(SpringOpenGroup.class)
-            .register(byte[].class)
-            .build();
+            .build("SpringOpenTTP");
 
     @Override
     public void init(DeviceId deviceId, PipelinerContext context) {