Remove unnecessary semicolons

Change-Id: I2b4429d7a2d61b5ba7fe89e73735db14b8244bb8
diff --git a/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java b/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
index c6ee95e..28e3302 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/group/impl/DistributedGroupStore.java
@@ -249,7 +249,7 @@
         } else {
             return groupTopic;
         }
-    };
+    }
 
     /**
      * Returns the group store eventual consistent key map.