remove all attributes like vram that have no sense if type_video is none libvirt xml parser launch an exception if these keys exists
remove all attributes like vram that have no sense if type_video is none libvirt xml parser launch an exception if these keys exists

isard-vdi/isard,isard-vdi/isard,isard-vdi/isard,isard-vdi/isard,isard-vdi/isard