Fix destination host for remove_volume_connection.
Fix destination host for remove_volume_connection.

This patch fixes a regression in
957c4ff741b4029cf4bad5087000fba91f0ce938.  The destination host was
accidentally changed to 'host' when it should have been 'dest'.

Change-Id: I2b262c4aedc2caa0c98c7660853358fc59935b63

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