Run mvn spotless:apply

Change-Id: I0d47a007fb2eae643d8667a90d72b8485b5ee093

Author: kgeisz

hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestDeadServer.java

@@ -20,12 +20,10 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
-import java.io.IOException;
 import java.util.List;
 import java.util.Set;
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.HBaseTestingUtility;
-import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
 import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;