Remove oslo.versionedobjects 0.11.0 block
Remove oslo.versionedobjects 0.11.0 block

This patch removes the oslo.versionedobjects 0.11.0 block as the
issue requiring the block was resolved upstream in:
  https://review.openstack.org/234166

Change-Id: I181cb5ccf7c2ae24cff1345eed2f6d4842c081b4
Closes-Bug: #1505677

jpmontez/openstack-ansible,yanyao/newton,BjoernT/os-ansible-deployment,BjoernT/openstack-ansible,bunchc/openstack-ansible,openstack/openstack-ansible,jpmontez/openstack-ansible,os-cloud/os-ansible-deployment,Logan2211/openstack-ansible,mrda/openstack-ansible,openstack/openstack-ansible,major/os-ansible-deployment,major/os-ansible-deployment,mrda/openstack-ansible,bunchc/openstack-ansible,open-switch/infra_openstack-ansible,open-switch/infra_openstack-ansible,weezer/openstack-ansible,git-harry/os-ansible-deployment,robb-romans/openstack-ansible,yanyao/openstack-deployment-liberty,yanyao/openstack-deployment-liberty,yanyao/newton,Logan2211/openstack-ansible,yanyao/openstack-ansible,yanyao/openstack-ansible,weezer/openstack-ansible,cloudnull/os-ansible-deployment,major/openstack-ansible,mrda/openstack-ansible,git-harry/os-ansible-deployment,jpmontez/os-ansible-deployment,open-switch/infra_openstack-ansible,stackforge/os-ansible-deployment,BjoernT/os-ansible-deployment,cfarquhar/openstack-ansible,BjoernT/os-ansible-deployment,mancdaz/openstack-ansible,major/openstack-ansible,BjoernT/openstack-ansible,cloudnull/os-ansible-deployment,jpmontez/openstack-ansible,yanyao/openstack-deployment-liberty,mancdaz/openstack-ansible,cfarquhar/openstack-ansible,jpmontez/os-ansible-deployment,git-harry/os-ansible-deployment,jpmontez/os-ansible-deployment,stackforge/os-ansible-deployment,robb-romans/openstack-ansible,os-cloud/os-ansible-deployment