Removed leftover local fields that are not needed anymore.

Change-Id: Ib12abffadaadc64ed7b32108731ff27b625d55a9
diff --git a/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIp.java b/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIp.java
index 3426da4..e3defdc3 100644
--- a/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIp.java
+++ b/apps/sdnip/src/main/java/org/onosproject/sdnip/SdnIp.java
@@ -48,10 +48,6 @@
 public class SdnIp implements SdnIpService {
 
     private static final String SDN_IP_APP = "org.onosproject.sdnip";
-    // NOTE: Must be 5s for now
-    private static final int LEASE_DURATION_MS = 5 * 1000;
-    private static final int LEASE_EXTEND_RETRY_MAX = 3;
-
     private final Logger log = getLogger(getClass());
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)