[misc] Remove spurius include
[misc] Remove spurius include

clutter-gst-debug.h does not need the cluttre_gst_init*() functions, no
idea why that include was there.

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