Further simplify if-else statement for OF default extensions

Change-Id: I0fd3f81ef8aa355f3bf6ff79b798ec5b8449a0f4
diff --git a/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3PushL2Header.java b/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3PushL2Header.java
index ac09a82..323e448 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3PushL2Header.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/extensions/Ofdpa3PushL2Header.java
@@ -57,13 +57,7 @@
 
     @Override
     public boolean equals(Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (obj instanceof Ofdpa3PushL2Header) {
-            return true;
-        }
-        return false;
+        return this == obj || obj instanceof Ofdpa3PushL2Header;
     }
 
     @Override