[docs] Remove a duplicate definition
[docs] Remove a duplicate definition

ClutterScriptable was defined twice inside the sections file.

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