Remove unused import statements

Change-Id: I4ff6cba3a880dd324c4b991270e7d7a9d3a89844

@@ -24,7 +24,6 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;

@@ -18,8 +18,6 @@ package org.onosproject.store.cluster.impl;
 import org.junit.After;
 import org.junit.Before;
 
-import static org.junit.Assert.*;
-
 /**
  * Unit test for DistributedClusterStore.
  */
@@ -36,4 +34,4 @@ public class DistributedClusterStoreTest {
     public void tearDown() throws Exception {
         distributedClusterStore.deactivate();
     }
-}
\ No newline at end of file
+}