auth_forms: remove dead code
auth_forms: remove dead code

tenant is not used at all

Change-Id: I013eae34abc116b7127d0b2d68011248528353f9
Signed-off-by: Julien Danjou <02b9c1d548d177421b793c726ed68b7aac9b5a66@enovance.com>

philoniare/horizon,openstack/horizon,noironetworks/horizon,endorphinl/horizon,Hodorable/0602,99cloud/keystone_register,tanglei528/horizon,Hodorable/0602,agileblaze/OpenStackTwoFactorAuthentication,xme1226/horizon,Dark-Hacker/horizon,tqtran7/horizon,Solinea/horizon,doug-fish/horizon,openstack/horizon,Mirantis/mos-horizon,dan1/horizon-proto,maestro-hybrid-cloud/horizon,tsufiev/horizon,tanglei528/horizon,ging/horizon,noironetworks/horizon,liyitest/rr,yanheven/console,citrix-openstack-build/horizon,saydulk/horizon,sandvine/horizon,BiznetGIO/horizon,VaneCloud/horizon,JioCloud/horizon,newrocknj/horizon,yeming233/horizon,yeming233/horizon,endorphinl/horizon-fork,mandeepdhami/horizon,mrunge/openstack_horizon,yjxtogo/horizon,VaneCloud/horizon,savi-dev/horizon,anthonydillon/horizon,endorphinl/horizon,promptworks/horizon,xme1226/horizon,karthik-suresh/horizon,bigswitch/horizon,LabAdvComp/tukey_portal,Mirantis/mos-horizon,gerrive/horizon,spring-week-topos/horizon-week,j4/horizon,rickerc/horizon_audit,mdavid/horizon,CiscoSystems/horizon,dan1/horizon-x509,django-leonardo/horizon,mrunge/horizon_lib,damien-dg/horizon,takeshineshiro/horizon,BiznetGIO/horizon,Tesora/tesora-horizon,eayunstack/horizon,Solinea/horizon,idjaw/horizon,kaiweifan/horizon,watonyweng/horizon,ikargis/horizon_fod,dan1/horizon-x509,NCI-Cloud/horizon,pranavtendolkr/horizon,CiscoSystems/horizon,mrunge/horizon,orbitfp7/horizon,RudoCris/horizon,NeCTAR-RC/horizon,endorphinl/horizon,mdavid/horizon,Mirantis/mos-horizon,Solinea/horizon,noironetworks/horizon,vbannai/disk-qos-horizon,ging/horizon,RudoCris/horizon,yjxtogo/horizon,saydulk/horizon,FNST-OpenStack/horizon,bac/horizon,mdavid/horizon,redhat-openstack/horizon,doug-fish/horizon,dan1/horizon-proto,endorphinl/horizon,aaronorosen/horizon-congress,RudoCris/horizon,99cloud/keystone_register,Tesora/tesora-horizon,doug-fish/horizon,coreycb/horizon,wolverineav/horizon,mrunge/horizon,j4/horizon,rickerc/horizon_audit,kfox1111/horizon,bigswitch/horizon,Metaswitch/horizon,promptworks/horizon,icloudrnd/automation_tools,kfox1111/horizon,rdo-management/tuskar-ui,eayunstack/horizon,NeCTAR-RC/horizon,liyitest/rr,wangxiangyu/horizon,Daniex/horizon,dan1/horizon-x509,nvoron23/avos,Metaswitch/horizon,tqtran7/horizon,Tesora/tesora-horizon,doug-fish/horizon,gochist/horizon,Frostman/eho-horizon,NCI-Cloud/horizon,watonyweng/horizon,bac/horizon,wolverineav/horizon,NCI-Cloud/horizon,tellesnobrega/horizon,davidcusatis/horizon,tellesnobrega/horizon,asomya/test,gerrive/horizon,django-leonardo/horizon,asomya/test,CiscoSystems/horizon,JioCloud/horizon,redhat-openstack/horizon,tsufiev/horizon,Metaswitch/horizon,rdo-management/tuskar-ui,xinwu/horizon,xme1226/horizon,Hodorable/0602,sandvine/horizon,j4/horizon,orbitfp7/horizon,blueboxgroup/horizon,watonyweng/horizon,openstack-ja/horizon,xinwu/horizon,Metaswitch/horizon,Frostman/eho-horizon,occ-data/tukey-portal,1ukash/horizon,flochaz/horizon,damien-dg/horizon,froyobin/horizon,zouyapeng/horizon,henaras/horizon,philoniare/horizon,openstack/horizon,promptworks/horizon,CiscoSystems/horizon,noironetworks/horizon,coreycb/horizon,bac/horizon,CiscoSystems/avos,icloudrnd/automation_tools,openstack-ja/horizon,LabAdvComp/tukey_portal,asomya/test,henaras/horizon,mrunge/horizon,endorphinl/horizon-fork,karthik-suresh/horizon,yeming233/horizon,davidcusatis/horizon,kaiweifan/horizon,bigswitch/horizon,icloudrnd/automation_tools,ging/horizon,ChameleonCloud/horizon,maestro-hybrid-cloud/horizon,Daniex/horizon,ChameleonCloud/horizon,froyobin/horizon,newrocknj/horizon,endorphinl/horizon-fork,blueboxgroup/horizon,LabAdvComp/tukey_portal,idjaw/horizon,ikargis/horizon_fod,promptworks/horizon,ikargis/horizon_fod,karthik-suresh/horizon,tellesnobrega/horizon,NeCTAR-RC/horizon,aaronorosen/horizon-congress,luhanhan/horizon,blueboxgroup/horizon,henaras/horizon,henaras/horizon,CiscoSystems/avos,Hodorable/0602,anthonydillon/horizon,wangxiangyu/horizon,idjaw/horizon,tuskar/tuskar-ui,Daniex/horizon,takeshineshiro/horizon,spring-week-topos/horizon-week,pranavtendolkr/horizon,BiznetGIO/horizon,vbannai/disk-qos-horizon,luhanhan/horizon,damien-dg/horizon,izadorozhna/dashboard_integration_tests,gerrive/horizon,mandeepdhami/horizon,anthonydillon/horizon,zouyapeng/horizon,Dark-Hacker/horizon,wangxiangyu/horizon,Tesora/tesora-horizon,gochist/horizon,NCI-Cloud/horizon,mrunge/horizon_lib,damien-dg/horizon,tellesnobrega/horizon,newrocknj/horizon,dan1/horizon-proto,r-icarus/openstack_microserver,Frostman/eho-horizon,philoniare/horizon,endorphinl/horizon-fork,tqtran7/horizon,r-icarus/openstack_microserver,yjxtogo/horizon,rickerc/horizon_audit,VaneCloud/horizon,savi-dev/horizon,philoniare/horizon,saydulk/horizon,yjxtogo/horizon,ging/horizon,sandvine/horizon,j4/horizon,izadorozhna/dashboard_integration_tests,BiznetGIO/horizon,coreycb/horizon,pranavtendolkr/horizon,Dark-Hacker/horizon,Daniex/horizon,tsufiev/horizon,JioCloud/horizon,citrix-openstack-build/horizon,orbitfp7/horizon,saydulk/horizon,mrunge/horizon_lib,dan1/horizon-proto,rdo-management/tuskar-ui,coreycb/horizon,NeCTAR-RC/horizon,gochist/horizon,FNST-OpenStack/horizon,RudoCris/horizon,aaronorosen/horizon-congress,redhat-cip/horizon,vladryk/horizon,luhanhan/horizon,vladryk/horizon,tanglei528/horizon,openstack/horizon,opencloudconsortium/tukey-portal,netscaler/horizon,nvoron23/avos,pranavtendolkr/horizon,ChameleonCloud/horizon,spring-week-topos/horizon-week,tqtran7/horizon,django-leonardo/horizon,netscaler/horizon,eayunstack/horizon,Mirantis/mos-horizon,CiscoSystems/avos,99cloud/keystone_register,gerrive/horizon,mdavid/horizon,luhanhan/horizon,anthonydillon/horizon,bac/horizon,xinwu/horizon,agileblaze/OpenStackTwoFactorAuthentication,flochaz/horizon,1ukash/horizon,kaiweifan/horizon,mandeepdhami/horizon,redhat-openstack/horizon,karthik-suresh/horizon,django-leonardo/horizon,wolverineav/horizon,flochaz/horizon,occ-data/tukey-portal,FNST-OpenStack/horizon,vbannai/disk-qos-horizon,agileblaze/OpenStackTwoFactorAuthentication,newrocknj/horizon,opencloudconsortium/tukey-portal,yeming233/horizon,yanheven/console,vladryk/horizon,VaneCloud/horizon,froyobin/horizon,liyitest/rr,zouyapeng/horizon,FNST-OpenStack/horizon,maestro-hybrid-cloud/horizon,tsufiev/horizon,vladryk/horizon,mrunge/openstack_horizon,redhat-cip/horizon,maestro-hybrid-cloud/horizon,occ-data/tukey-portal,idjaw/horizon,Dark-Hacker/horizon,ChameleonCloud/horizon,savi-dev/horizon,redhat-cip/horizon,agileblaze/OpenStackTwoFactorAuthentication,liyitest/rr,yanheven/console,nvoron23/avos,opencloudconsortium/tukey-portal,mandeepdhami/horizon,zouyapeng/horizon,nvoron23/avos,LabAdvComp/tukey_portal,blueboxgroup/horizon,r-icarus/openstack_microserver,xinwu/horizon,orbitfp7/horizon,wangxiangyu/horizon,redhat-cip/horizon,Solinea/horizon,rdo-management/tuskar-ui,tuskar/tuskar-ui,bigswitch/horizon,netscaler/horizon,davidcusatis/horizon,davidcusatis/horizon,citrix-openstack-build/horizon,1ukash/horizon,kfox1111/horizon,takeshineshiro/horizon,mrunge/openstack_horizon,wolverineav/horizon,openstack-ja/horizon,CiscoSystems/avos,redhat-openstack/horizon,takeshineshiro/horizon,icloudrnd/automation_tools,dan1/horizon-x509,tuskar/tuskar-ui,sandvine/horizon,watonyweng/horizon,kfox1111/horizon,flochaz/horizon