device-manager: Don't emit device-removed with a finalized instance
device-manager: Don't emit device-removed with a finalized instance

https://bugzilla.gnome.org/show_bug.cgi?id=712812

ebassi/clutter,jigpu/clutter,djdeath/clutter,Distrotech/clutter,GNOME/clutter,Distrotech/clutter,Distrotech/clutter,djdeath/clutter,ebassi/clutter,jigpu/clutter,Distrotech/clutter,ebassi/clutter,djdeath/clutter,ebassi/clutter,GNOME/clutter,jigpu/clutter,ebassi/clutter,djdeath/clutter,jigpu/clutter,djdeath/clutter,GNOME/clutter,Distrotech/clutter,Distrotech/clutter,djdeath/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,GNOME/clutter