Remove final modifier from a private method

Change-Id: I2be844b5e2b6e27ead5056c0563207e4336fc4a1
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultDistributedWorkQueue.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultDistributedWorkQueue.java
index 9ce11bf..bdc9d31 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultDistributedWorkQueue.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultDistributedWorkQueue.java
@@ -41,7 +41,7 @@
                                              .collect(Collectors.toCollection(ArrayList::new)));
     }
 
-    private final Collection<Task<E>> decodeCollection(Collection<Task<byte[]>> tasks) {
+    private Collection<Task<E>> decodeCollection(Collection<Task<byte[]>> tasks) {
         return Collections2.transform(tasks, task -> task.map(serializer::decode));
     }