po: Remove a non existent file in POTFILES.in
po: Remove a non existent file in POTFILES.in

Distrotech/clutter,spatulasnout/clutter,djdeath/clutter,jigpu/clutter,jigpu/clutter,djdeath/clutter-android,jigpu/clutter,kerrickstaley/clutter-vala,dlespiau/clutter,ebassi/clutter,djdeath/clutter,collects/clutter,heysion/clutter-clone,collects/clutter,dlespiau/clutter,ebassi/clutter,spatulasnout/clutter,djdeath/clutter-android,djdeath/clutter-android,kerrickstaley/clutter-vala,djdeath/clutter-multithreaded,collects/clutter,djdeath/clutter-multithreaded,jigpu/clutter,kerrickstaley/clutter-vala,ebassi/clutter,djdeath/clutter-android,djdeath/clutter,dlespiau/clutter,djdeath/clutter,jigpu/clutter,heysion/clutter-clone,heysion/clutter-clone,collects/clutter,djdeath/clutter,heysion/clutter-clone,djdeath/clutter,djdeath/clutter-multithreaded,Distrotech/clutter,Distrotech/clutter,spatulasnout/clutter,kerrickstaley/clutter-vala,GNOME/clutter,Distrotech/clutter,spatulasnout/clutter,GNOME/clutter,Distrotech/clutter,collects/clutter,heysion/clutter-clone,spatulasnout/clutter,GNOME/clutter,djdeath/clutter-android,GNOME/clutter,GNOME/clutter,djdeath/clutter-multithreaded,ebassi/clutter,jigpu/clutter,ebassi/clutter,Distrotech/clutter