atkcomponent: remove unused function

diff --git a/atk/atkcomponent.c b/atk/atkcomponent.c
index 60fa185..c1c0404 100755 (executable)
--- a/atk/atkcomponent.c
+++ b/atk/atkcomponent.c
@@ -590,12 +590,6 @@ atk_component_real_get_size (AtkComponent *component,
   atk_component_get_extents (component, &x, &y, width, height, coord_type);
 }
 
-static gdouble
-atk_component_real_get_alpha (AtkComponent    *component)
-{
-    return (gdouble) 1.0;
-}
-
 static AtkRectangle *
 atk_rectangle_copy (const AtkRectangle *rectangle)
 {