Stop setting nova.conf settings that mean nothing
Stop setting nova.conf settings that mean nothing

* DEFAULT.fixed_range isn't a valid option in nova anymore
* DEFAULT.osci_compute_workers was never a thing, it should be
  DEFAULT.osapi_compute_workers

Change-Id: Ib08f3e20e4685b331385431276f890205fa76da6

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