Remove old exception type
Remove old exception type

Error doesn't exist anymore. Use a generic NovaException instead.

Change-Id: I3b36fdf999f5e62a7b4137dfa874173de5fed9b8

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