Further simplify equals method by refactor if-else statement

Change-Id: I2a97dfa54916d94600e36d7e2b933fa087a1ddbe
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/actions/NativeForwardMappingAction.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/actions/NativeForwardMappingAction.java
index a2a9a21..d1c6855 100644
--- a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/actions/NativeForwardMappingAction.java
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/actions/NativeForwardMappingAction.java
@@ -45,12 +45,6 @@
 
     @Override
     public boolean equals(Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (obj instanceof NativeForwardMappingAction) {
-            return true;
-        }
-        return false;
+        return this == obj || obj instanceof NativeForwardMappingAction;
     }
 }