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
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HBASE-8559-trunk-gd