[texture] Fix ClutterFixed usage
[texture] Fix ClutterFixed usage

Do not use ClutterFixed and its macros inside the Texture.

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