[S2GRAPH-245] Remove install hbase step on travis CI.

JIRA:
  [S2GRAPH-245] https://issues.apache.org/jira/browse/S2GRAPH-245

Pull Request:
  Closes #188

Author
  DO YUNG YOON <steamshon@apache.org>
diff --git a/CHANGES b/CHANGES
index 58e5033..1d29242 100644
--- a/CHANGES
+++ b/CHANGES
@@ -109,6 +109,7 @@
     * [S2GRAPH-211] - Include 's2jobs' test in CI
     * [S2GRAPH-212] - Fix broken markdown on README.md.
     * [S2GRAPH-229] - 'Step' abstraction for combinable queries
+    * [S2GRAPH-245] - Remove install hbase step on travis CI.
 
 Release 0.1.0 - Released