XenAPI: Fix deprecated config options
XenAPI: Fix deprecated config options

I346ee0248c03e60716bd7dc4a5ee4493610867cb broke the XenServer CI as
devstack was still setting the deprecated config options.

Change-Id: Icd84212e97a9d5e007745be8096fa552bc23cb6f

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