drop XML tags from v1.DomainSpec
drop XML tags from v1.DomainSpec

The v1.DomainSpec is the cluster-facing API. Libvirt specific XML tags
are in virtwrap.DomainSpec.

sungwonh/kubevirt,sungwonh/kubevirt,admiyo/kubevirt,rmohr/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,mpolednik/kubevirt,rmohr/kubevirt,fabiand/kubevirt,stu-gott/kubevirt,admiyo/kubevirt,mpolednik/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,fabiand/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt