HBASE-9695 Some never used local variables cleanup

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1535112 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9694 HBaseTestingUtility.createTable infinite loop

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1535117 13f79535-47bb-0310-9956-ffa450edef68