Refactor: further simplify if-else statement

Change-Id: I2c23446f3c59e76d8cfd462a210aaba6c30223af
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAfiAddress.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAfiAddress.java
index 83dad7b..08135eb 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAfiAddress.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/types/LispAfiAddress.java
@@ -76,10 +76,7 @@
         }
 
         LispAfiAddress other = (LispAfiAddress) obj;
-        if (afi != other.afi) {
-            return false;
-        }
-        return true;
+        return afi == other.afi;
     }
 
     /**