docs: Clean up the animations sections of the Actor reference
docs: Clean up the animations sections of the Actor reference

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