Update oslo-incubator importutils module
Update oslo-incubator importutils module

Changes -
 * Deleted duplicated method in cliutils.

Change-Id: I3a2d9126f082b6021938d3c98cd7750663b90830

xme1226/sahara,esikachev/sahara-backup,citrix-openstack-build/sahara,esikachev/scenario,zhujzhuo/Sahara,esikachev/scenario,redhat-openstack/sahara,matips/iosr-2015,egafford/sahara,openstack/sahara,esikachev/sahara-backup,crobby/sahara,bigfootproject/sahara,henaras/sahara,zhangjunli177/sahara,zhujzhuo/Sahara,zhangjunli177/sahara,esikachev/scenario,keedio/sahara,mapr/sahara,henaras/sahara,citrix-openstack-build/sahara,bigfootproject/sahara,matips/iosr-2015,tellesnobrega/sahara,egafford/sahara,zhujzhuo/Sahara,openstack/sahara,mapr/sahara,redhat-openstack/sahara,mapr/sahara,tellesnobrega/sahara,crobby/sahara,zhangjunli177/sahara,ekasitk/sahara,xme1226/sahara,keedio/sahara,redhat-openstack/sahara,henaras/sahara,ekasitk/sahara,crobby/sahara,ekasitk/sahara,tellesnobrega/storm_plugin,bigfootproject/sahara,keedio/sahara,tellesnobrega/storm_plugin,tellesnobrega/storm_plugin,esikachev/sahara-backup,xme1226/sahara,citrix-openstack-build/sahara,matips/iosr-2015