Remove unnecessary method argument.
Remove unnecessary method argument.

The 'self' argument is unnecessary and when the the method is invoked,
cause parameters error.

Fix bug #1171376

Change-Id: I612b466a955cb8418855849119599222ba6479d3

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