Remove unused methods.
Remove unused methods.

These methods were added in 3f7353d14183a93099c99dc2fc72614265f1c72c but
are not used anywhere in the code.  Just remove them.

Change-Id: I2b55901bb6119d83586fb2ffa877bbd00a8d43b3

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