Remove explicit distribute depend.
Remove explicit distribute depend.

Causes issues with the recent re-merge with setuptools. Advice from
upstream is to stop doing explicit depends.

Change-Id: I63d80c00e94f1831e8f79faa87d57a152338dba7

idjaw/horizon,vladryk/horizon,Daniex/horizon,xinwu/horizon,NCI-Cloud/horizon,noironetworks/horizon,idjaw/horizon,r-icarus/openstack_microserver,nvoron23/avos,spring-week-topos/horizon-week,rdo-management/tuskar-ui,redhat-cip/horizon,orbitfp7/horizon,philoniare/horizon,aaronorosen/horizon-congress,liyitest/rr,flochaz/horizon,noironetworks/horizon,redhat-openstack/horizon,NCI-Cloud/horizon,watonyweng/horizon,rickerc/horizon_audit,doug-fish/horizon,FNST-OpenStack/horizon,agileblaze/OpenStackTwoFactorAuthentication,spring-week-topos/horizon-week,Tesora/tesora-horizon,coreycb/horizon,mrunge/horizon,CiscoSystems/avos,luhanhan/horizon,tanglei528/horizon,CiscoSystems/horizon,doug-fish/horizon,mdavid/horizon,endorphinl/horizon,kaiweifan/horizon,mrunge/horizon,tellesnobrega/horizon,mandeepdhami/horizon,newrocknj/horizon,henaras/horizon,RudoCris/horizon,zouyapeng/horizon,redhat-openstack/horizon,j4/horizon,idjaw/horizon,tuskar/tuskar-ui,flochaz/horizon,anthonydillon/horizon,newrocknj/horizon,icloudrnd/automation_tools,mrunge/horizon_lib,Solinea/horizon,openstack-ja/horizon,tellesnobrega/horizon,agileblaze/OpenStackTwoFactorAuthentication,bac/horizon,henaras/horizon,promptworks/horizon,Dark-Hacker/horizon,ging/horizon,promptworks/horizon,mrunge/horizon,mrunge/openstack_horizon,ikargis/horizon_fod,wangxiangyu/horizon,ging/horizon,liyitest/rr,orbitfp7/horizon,vladryk/horizon,ikargis/horizon_fod,saydulk/horizon,damien-dg/horizon,JioCloud/horizon,openstack/horizon,redhat-cip/horizon,FNST-OpenStack/horizon,aaronorosen/horizon-congress,mandeepdhami/horizon,bac/horizon,gochist/horizon,vladryk/horizon,JioCloud/horizon,tqtran7/horizon,Daniex/horizon,doug-fish/horizon,tsufiev/horizon,Hodorable/0602,FNST-OpenStack/horizon,xinwu/horizon,flochaz/horizon,Mirantis/mos-horizon,damien-dg/horizon,zouyapeng/horizon,yeming233/horizon,bac/horizon,mdavid/horizon,j4/horizon,karthik-suresh/horizon,ChameleonCloud/horizon,damien-dg/horizon,bigswitch/horizon,FNST-OpenStack/horizon,kfox1111/horizon,anthonydillon/horizon,xme1226/horizon,noironetworks/horizon,nvoron23/avos,kfox1111/horizon,netscaler/horizon,eayunstack/horizon,NCI-Cloud/horizon,rdo-management/tuskar-ui,coreycb/horizon,CiscoSystems/avos,liyitest/rr,CiscoSystems/avos,VaneCloud/horizon,yjxtogo/horizon,xme1226/horizon,saydulk/horizon,luhanhan/horizon,blueboxgroup/horizon,wolverineav/horizon,davidcusatis/horizon,sandvine/horizon,wolverineav/horizon,mrunge/horizon_lib,endorphinl/horizon-fork,ChameleonCloud/horizon,rdo-management/tuskar-ui,watonyweng/horizon,bigswitch/horizon,xme1226/horizon,ChameleonCloud/horizon,mandeepdhami/horizon,gerrive/horizon,VaneCloud/horizon,endorphinl/horizon,orbitfp7/horizon,tanglei528/horizon,NeCTAR-RC/horizon,damien-dg/horizon,citrix-openstack-build/horizon,yjxtogo/horizon,ikargis/horizon_fod,tellesnobrega/horizon,django-leonardo/horizon,tqtran7/horizon,openstack/horizon,karthik-suresh/horizon,yeming233/horizon,wangxiangyu/horizon,saydulk/horizon,blueboxgroup/horizon,tuskar/tuskar-ui,gerrive/horizon,tqtran7/horizon,dan1/horizon-proto,citrix-openstack-build/horizon,zouyapeng/horizon,agileblaze/OpenStackTwoFactorAuthentication,gerrive/horizon,froyobin/horizon,Daniex/horizon,django-leonardo/horizon,gochist/horizon,nvoron23/avos,anthonydillon/horizon,davidcusatis/horizon,takeshineshiro/horizon,pranavtendolkr/horizon,ging/horizon,eayunstack/horizon,xinwu/horizon,yanheven/console,pranavtendolkr/horizon,henaras/horizon,django-leonardo/horizon,j4/horizon,yeming233/horizon,yeming233/horizon,karthik-suresh/horizon,icloudrnd/automation_tools,agileblaze/OpenStackTwoFactorAuthentication,blueboxgroup/horizon,gerrive/horizon,froyobin/horizon,wolverineav/horizon,noironetworks/horizon,Dark-Hacker/horizon,xinwu/horizon,newrocknj/horizon,r-icarus/openstack_microserver,Dark-Hacker/horizon,idjaw/horizon,philoniare/horizon,dan1/horizon-proto,spring-week-topos/horizon-week,yjxtogo/horizon,CiscoSystems/horizon,yanheven/console,takeshineshiro/horizon,citrix-openstack-build/horizon,blueboxgroup/horizon,CiscoSystems/horizon,yanheven/console,dan1/horizon-x509,Metaswitch/horizon,takeshineshiro/horizon,kaiweifan/horizon,karthik-suresh/horizon,dan1/horizon-x509,dan1/horizon-proto,Solinea/horizon,redhat-cip/horizon,redhat-openstack/horizon,promptworks/horizon,watonyweng/horizon,doug-fish/horizon,ChameleonCloud/horizon,endorphinl/horizon-fork,mrunge/openstack_horizon,philoniare/horizon,r-icarus/openstack_microserver,izadorozhna/dashboard_integration_tests,wangxiangyu/horizon,henaras/horizon,redhat-cip/horizon,davidcusatis/horizon,RudoCris/horizon,tanglei528/horizon,Solinea/horizon,Metaswitch/horizon,pranavtendolkr/horizon,Hodorable/0602,Mirantis/mos-horizon,vladryk/horizon,zouyapeng/horizon,Metaswitch/horizon,Solinea/horizon,Daniex/horizon,maestro-hybrid-cloud/horizon,maestro-hybrid-cloud/horizon,dan1/horizon-x509,BiznetGIO/horizon,ging/horizon,NeCTAR-RC/horizon,sandvine/horizon,mrunge/openstack_horizon,icloudrnd/automation_tools,django-leonardo/horizon,Tesora/tesora-horizon,coreycb/horizon,izadorozhna/dashboard_integration_tests,luhanhan/horizon,tsufiev/horizon,tellesnobrega/horizon,Hodorable/0602,saydulk/horizon,mdavid/horizon,rickerc/horizon_audit,JioCloud/horizon,sandvine/horizon,Mirantis/mos-horizon,endorphinl/horizon,endorphinl/horizon-fork,dan1/horizon-x509,bigswitch/horizon,mrunge/horizon_lib,coreycb/horizon,CiscoSystems/horizon,Dark-Hacker/horizon,kfox1111/horizon,mdavid/horizon,BiznetGIO/horizon,bigswitch/horizon,openstack/horizon,icloudrnd/automation_tools,Hodorable/0602,dan1/horizon-proto,wangxiangyu/horizon,anthonydillon/horizon,rickerc/horizon_audit,NeCTAR-RC/horizon,netscaler/horizon,flochaz/horizon,nvoron23/avos,CiscoSystems/avos,openstack/horizon,VaneCloud/horizon,pranavtendolkr/horizon,VaneCloud/horizon,tuskar/tuskar-ui,BiznetGIO/horizon,RudoCris/horizon,Tesora/tesora-horizon,RudoCris/horizon,luhanhan/horizon,promptworks/horizon,endorphinl/horizon,liyitest/rr,Metaswitch/horizon,mandeepdhami/horizon,kaiweifan/horizon,Mirantis/mos-horizon,j4/horizon,NeCTAR-RC/horizon,NCI-Cloud/horizon,openstack-ja/horizon,davidcusatis/horizon,bac/horizon,froyobin/horizon,maestro-hybrid-cloud/horizon,BiznetGIO/horizon,Tesora/tesora-horizon,gochist/horizon,takeshineshiro/horizon,openstack-ja/horizon,redhat-openstack/horizon,tsufiev/horizon,kfox1111/horizon,newrocknj/horizon,yjxtogo/horizon,orbitfp7/horizon,aaronorosen/horizon-congress,rdo-management/tuskar-ui,maestro-hybrid-cloud/horizon,tsufiev/horizon,wolverineav/horizon,netscaler/horizon,tqtran7/horizon,watonyweng/horizon,philoniare/horizon,eayunstack/horizon,sandvine/horizon,endorphinl/horizon-fork