spice-win: remove windows-specific bitmap cut & paste support
spice-win: remove windows-specific bitmap cut & paste support

will wait until png comes in

ya-mouse/spice,alon/spice-server,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,mathslinux/spice,elmarco/spice,Fantu/spice,fgouget/spice,elmarco/spice,ya-mouse/spice,freedesktop-unofficial-mirror/spice__spice,virtualAMP/spiceplay,dezelin/spice,SPICE/spice,elmarco/spice,dezelin/spice,Fantu/spice,Fantu/spice,dezelin/spice,SPICE/spice,virtualAMP/spiceplay,mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,elmarco/spice,SPICE/spice,fgouget/spice,mathslinux/spice,virtualAMP/spiceplay,freedesktop-unofficial-mirror/spice__spice,dezelin/spice,dezelin/spice,elmarco/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,fgouget/spice,alon/spice-server,alon/spice-server,ya-mouse/spice,fgouget/spice,mathslinux/spice,virtualAMP/spiceplay,Fantu/spice