compute: removes unnecessary condition
compute: removes unnecessary condition

An unnecessary condition is used in compute/manager.py

Change-Id: If1a27009079721198aebebbd8c1c773f10f51f1a

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