Removes utils.fetch_file (no longer used).
Removes utils.fetch_file (no longer used).

Change-Id: I75828a1e40f1daa3a15221f1ab8de484e6bb03ef

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