Remove external attribute from the Provider Network
Remove external attribute from the Provider Network

Co-Authored-By: Sridhar Gaddam <sridhar.gaddam@enovance.com>

Related-Bug: #1284718
Change-Id: Iad2f051a2b7b0a324dff4e716b8d2469a4f20895

parul24/devstack,noironetworks/devstack,mssumanth/devstack,bq-xiao/devstack,affo/devstack,prithivm/branch01,j4/devstack,pczerkas/devstack,costingalan/devstack,eshnil2000/devstack,BSJAIN92/OpenStack,HPCHub/devstack,promptworks/devstack,pombredanne/devstack,innodee/openstackk,liuquansheng47/devstack,samgoon/devstack,varunarya10/devstack,mssumanth/devstack,TwinkleChawla/devstack,rushiagr/devstack,NaokiMiyata/devstack,vsham20/devstack,bigswitch/devstack,tianweizhang/devstack,affo/devstack,eharney/devstack,promptworks/devstack,rushiagr/devstack,richliu/devstack,flavio-fernandes/devstack,HPCHub/devstack,herrsechs/devstack,ozamiatin/devstack,sequenceiq/devstack,thomasem/devstack,nawawi/openstack,vishnugonela/devstack,thomasem/devstack,olivierlemasle/devstack,wenhuizhang/devstack,Mahito/devstack,upadhyay-prashant/devstack,nuxeh/devstack,CloudServer/devstack,openstack-dev/devstack,dirkmueller/devstack,andrewrothstein/devstack,parul24/devstack,mc2014/devstack,CloudServer/devstack,dtroyer/devstack,pacinete/devstack,LoHChina/devstack,nuxeh/devstack,LoHChina/devstack,eharney/devstack,costingalan/devstack,bq-xiao/devstack,ozamiatin/devstack,atulpatil301/devstack,samgoon/devstack,mmasaki/devstack,vishnugonela/devstack,nawawi/openstack,Mahito/devstack,dtroyer/devstack,upadhyay-prashant/devstack,group-policy/devstack,noironetworks/devstack,bljgaurav/openstack-test,j4/devstack,TwinkleChawla/devstack,pacinete/devstack,pczerkas/devstack,olivierlemasle/devstack,atulpatil301/devstack,prithivm/branch01,tianweizhang/devstack,sequenceiq/devstack,vsham20/devstack,pombredanne/devstack,flavio-fernandes/devstack,group-policy/devstack,neerja28/Devstack_GlusterFS,varunarya10/devstack,virtualopensystems/devstack,herrsechs/devstack,richliu/devstack,mmasaki/devstack,neerja28/Devstack_GlusterFS,bswartz/devstack,sc68cal/devstack,liuquansheng47/devstack,openstack-dev/devstack,bswartz/devstack,mc2014/devstack,NaokiMiyata/devstack,avvocatodemarchis/devstack,kplus/devstack-moonshot,sc68cal/devstack,kplus/devstack-moonshot,BSJAIN92/OpenStack,dirkmueller/devstack,bigswitch/devstack,bljgaurav/openstack-test,wenhuizhang/devstack,avvocatodemarchis/devstack,andrewrothstein/devstack