Remove duplicates from exceptions list
Remove duplicates from exceptions list

Duplicated exceptions:
 exception.QuotaError
 exception.SecurityGroupLimitExceeded

Change-Id: Ie8d40cf6e0a1a7b2191877059b757a752aeb4e29

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