Ignore repeat keys in notify_key
Ignore repeat keys in notify_key

Let compositors just blithely post through every event they get,
including repeating keys.

Signed-off-by: Daniel Stone <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@fooishbar.org>

giucam/weston,Tarnyko/weston-xdg_surface_present,sir-murray/weston,Fantu/compositor-spice,jonnylamb/weston,giucam/weston,mchalupa/weston,xorgy/weston,sir-murray/weston,krezovic/weston,udoprog/weston,kwm81/weston,Tarnyko/weston-xdg_surface_present,eyolfson/weston,xorgy/weston,Gnurou/weston,udoprog/weston,krezovic/weston,kwm81/weston,Gnurou/weston,eyolfson/weston,Fantu/compositor-spice,Fantu/compositor-spice,mchalupa/weston,jonnylamb/weston