remove unused structure definition
remove unused structure definition

Acked-by: Jonathon Jongsma <c7254805a17bd5c41e24c3a278fcbf3afcdfb0fa@redhat.com>

fgouget/spice,fgouget/spice,SPICE/spice,fgouget/spice,SPICE/spice,SPICE/spice,fgouget/spice