build: Remove the upload to clutter-project.org
build: Remove the upload to clutter-project.org

GNOME release only from now on.

ystreet/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst,lubosz/clutter-gst,GNOME/clutter-gst