Remove duplicate logging_debug_format option
Remove duplicate logging_debug_format option

Looks like it was accidentally added by commit 605c22b18.

Change-Id: Ibfd16e47cea3fa549f3a6064076361098ba76dd6

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