Remove unused import
Remove unused import

Introduced by f96dcc39, "Make sure detail view works for volume snaphots"

Change-Id: Ie076cbbf05392ca3102c0e8430c0b5da78986046

DirectXMan12/nova-hacking,vmturbo/nova,rrader/nova-docker-plugin,OpenAcademy-OpenStack/nova-scheduler,leilihh/novaha,bgxavier/nova,dims/nova,devendermishrajio/nova_test_latest,rajalokan/nova,shootstar/novatest,alaski/nova,viggates/nova,mmnelemane/nova,phenoxim/nova,rickerc/nova_audit,fajoy/nova,rajalokan/nova,belmiromoreira/nova,joker946/nova,sebrandon1/nova,vladikr/nova_drafts,jianghuaw/nova,eharney/nova,ted-gould/nova,Triv90/Nova,angdraug/nova,rahulunair/nova,cernops/nova,shail2810/nova,tanglei528/nova,silenceli/nova,noironetworks/nova,Juniper/nova,apporc/nova,cloudbau/nova,JioCloud/nova,cernops/nova,mandeepdhami/nova,scripnichenko/nova,NoBodyCam/TftpPxeBootBareMetal,rickerc/nova_audit,takeshineshiro/nova,NeCTAR-RC/nova,devendermishrajio/nova_test_latest,watonyweng/nova,thomasem/nova,klmitch/nova,cyx1231st/nova,badock/nova,zaina/nova,whitepages/nova,josephsuh/extra-specs,adelina-t/nova,yosshy/nova,sacharya/nova,imsplitbit/nova,bclau/nova,luogangyi/bcec-nova,dstroppa/openstack-smartos-nova-grizzly,spring-week-topos/nova-week,projectcalico/calico-nova,psiwczak/openstack,tudorvio/nova,SUSE-Cloud/nova,jeffrey4l/nova,virtualopensystems/nova,zhimin711/nova,tianweizhang/nova,petrutlucian94/nova,double12gzh/nova,petrutlucian94/nova_dev,bclau/nova,mandeepdhami/nova,cloudbase/nova,cloudbase/nova-virtualbox,zaina/nova,sridevikoushik31/nova,bgxavier/nova,TwinkleChawla/nova,Yusuke1987/openstack_template,alexandrucoman/vbox-nova-driver,vmturbo/nova,mgagne/nova,mikalstill/nova,rrader/nova-docker-plugin,Yuriy-Leonov/nova,Yusuke1987/openstack_template,projectcalico/calico-nova,devoid/nova,yatinkumbhare/openstack-nova,TwinkleChawla/nova,JioCloud/nova_test_latest,usc-isi/extra-specs,zhimin711/nova,savi-dev/nova,bigswitch/nova,TieWei/nova,double12gzh/nova,Metaswitch/calico-nova,sridevikoushik31/nova,CCI-MOC/nova,affo/nova,Metaswitch/calico-nova,sileht/deb-openstack-nova,JianyuWang/nova,NeCTAR-RC/nova,virtualopensystems/nova,zzicewind/nova,devendermishrajio/nova,MountainWei/nova,iuliat/nova,petrutlucian94/nova_dev,orbitfp7/nova,aristanetworks/arista-ovs-nova,Brocade-OpenSource/OpenStack-DNRM-Nova,psiwczak/openstack,affo/nova,akash1808/nova,watonyweng/nova,maoy/zknova,houshengbo/nova_vmware_compute_driver,klmitch/nova,mmnelemane/nova,aristanetworks/arista-ovs-nova,eonpatapon/nova,fajoy/nova,angdraug/nova,plumgrid/plumgrid-nova,maelnor/nova,CiscoSystems/nova,ntt-sic/nova,j-carpentier/nova,thomasem/nova,usc-isi/nova,barnsnake351/nova,kimjaejoong/nova,dstroppa/openstack-smartos-nova-grizzly,alvarolopez/nova,dstroppa/openstack-smartos-nova-grizzly,sileht/deb-openstack-nova,Triv90/Nova,luogangyi/bcec-nova,rajalokan/nova,savi-dev/nova,varunarya10/nova_test_latest,eneabio/nova,edulramirez/nova,ruslanloman/nova,ruslanloman/nova,eneabio/nova,sridevikoushik31/openstack,apporc/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,NewpTone/stacklab-nova,sacharya/nova,sebrandon1/nova,mahak/nova,varunarya10/nova_test_latest,fnordahl/nova,eonpatapon/nova,jeffrey4l/nova,OpenAcademy-OpenStack/nova-scheduler,fnordahl/nova,berrange/nova,Triv90/Nova,maheshp/novatest,yrobla/nova,edulramirez/nova,berrange/nova,cernops/nova,akash1808/nova_test_latest,takeshineshiro/nova,LoHChina/nova,klmitch/nova,maheshp/novatest,mahak/nova,tudorvio/nova,silenceli/nova,BeyondTheClouds/nova,vmturbo/nova,maoy/zknova,fajoy/nova,alexandrucoman/vbox-nova-driver,Juniper/nova,phenoxim/nova,cloudbase/nova-virtualbox,usc-isi/nova,eharney/nova,sridevikoushik31/nova,houshengbo/nova_vmware_compute_driver,BeyondTheClouds/nova,NewpTone/stacklab-nova,iuliat/nova,jianghuaw/nova,sridevikoushik31/nova,maelnor/nova,shail2810/nova,ntt-sic/nova,usc-isi/extra-specs,JianyuWang/nova,hanlind/nova,saleemjaveds/https-github.com-openstack-nova,NoBodyCam/TftpPxeBootBareMetal,mahak/nova,mikalstill/nova,leilihh/novaha,TieWei/nova,NewpTone/stacklab-nova,JioCloud/nova,zzicewind/nova,Francis-Liu/animated-broccoli,devendermishrajio/nova,paulmathews/nova,gooddata/openstack-nova,petrutlucian94/nova,paulmathews/nova,akash1808/nova,blueboxgroup/nova,houshengbo/nova_vmware_compute_driver,josephsuh/extra-specs,imsplitbit/nova,barnsnake351/nova,eneabio/nova,shahar-stratoscale/nova,bigswitch/nova,gooddata/openstack-nova,dims/nova,eayunstack/nova,maheshp/novatest,badock/nova,vladikr/nova_drafts,mgagne/nova,citrix-openstack-build/nova,yrobla/nova,ewindisch/nova,usc-isi/extra-specs,felixma/nova,jianghuaw/nova,Juniper/nova,gspilio/nova,DirectXMan12/nova-hacking,Juniper/nova,gooddata/openstack-nova,belmiromoreira/nova,JioCloud/nova_test_latest,klmitch/nova,sileht/deb-openstack-nova,tianweizhang/nova,BeyondTheClouds/nova,aristanetworks/arista-ovs-nova,CCI-MOC/nova,saleemjaveds/https-github.com-openstack-nova,kimjaejoong/nova,Stavitsky/nova,rahulunair/nova,maoy/zknova,hanlind/nova,openstack/nova,akash1808/nova_test_latest,whitepages/nova,mikalstill/nova,paulmathews/nova,josephsuh/extra-specs,NoBodyCam/TftpPxeBootBareMetal,alaski/nova,yatinkumbhare/openstack-nova,nikesh-mahalka/nova,scripnichenko/nova,yrobla/nova,shootstar/novatest,rahulunair/nova,usc-isi/nova,spring-week-topos/nova-week,psiwczak/openstack,gspilio/nova,raildo/nova,tealover/nova,leilihh/nova,rajalokan/nova,devoid/nova,hanlind/nova,ted-gould/nova,CloudServer/nova,plumgrid/plumgrid-nova,isyippee/nova,cyx1231st/nova,yosshy/nova,sridevikoushik31/openstack,sebrandon1/nova,redhat-openstack/nova,dawnpower/nova,openstack/nova,redhat-openstack/nova,CEG-FYP-OpenStack/scheduler,dawnpower/nova,joker946/nova,eayunstack/nova,savi-dev/nova,cloudbase/nova,cloudbase/nova,adelina-t/nova,Tehsmash/nova,citrix-openstack-build/nova,qwefi/nova,tealover/nova,cloudbau/nova,Francis-Liu/animated-broccoli,tangfeixiong/nova,openstack/nova,Stavitsky/nova,jianghuaw/nova,orbitfp7/nova,ewindisch/nova,MountainWei/nova,qwefi/nova,j-carpentier/nova,vmturbo/nova,leilihh/nova,Tehsmash/nova,felixma/nova,viggates/nova,CloudServer/nova,DirectXMan12/nova-hacking,nikesh-mahalka/nova,LoHChina/nova,gspilio/nova,SUSE-Cloud/nova,CiscoSystems/nova,tanglei528/nova,tangfeixiong/nova,isyippee/nova,shahar-stratoscale/nova,Yuriy-Leonov/nova,alvarolopez/nova,blueboxgroup/nova,raildo/nova,CEG-FYP-OpenStack/scheduler,noironetworks/nova,gooddata/openstack-nova,sridevikoushik31/openstack