Fix remaining instance of kududb package in docs

Change-Id: Ia829fa9a2b8de7621ccf40ab3b6aef1ff14f4c61
Reviewed-on: http://gerrit.cloudera.org:8080/3844
Tested-by: Kudu Jenkins
Reviewed-by: Adar Dembo <adar@cloudera.com>
4 files changed