build: Fix introspection rules
build: Fix introspection rules

Remove some cruft after the surgery that split Cogl out of tree.

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