compositor: Remove unused weston_surface_to_buffer function

The function 'weston_surface_to_buffer' is unused by compositor and
clients inside weston, so it should be safe to remove this function

Signed-off-by: Chris Michael <cp.michael@samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

src/compositor.c

@@ -919,19 +919,6 @@ weston_surface_to_buffer_float(struct weston_surface *surface,
 				 *bx, *by, bx, by);
 }
 
-WL_EXPORT void
-weston_surface_to_buffer(struct weston_surface *surface,
-			 int sx, int sy, int *bx, int *by)
-{
-	float bxf, byf;
-
-	weston_surface_to_buffer_float(surface,
-				       sx, sy, &bxf, &byf);
-
-	*bx = floorf(bxf);
-	*by = floorf(byf);
-}
-
 WL_EXPORT pixman_box32_t
 weston_surface_to_buffer_rect(struct weston_surface *surface,
 			      pixman_box32_t rect)

src/compositor.h

@@ -1101,9 +1101,6 @@ weston_view_from_global_fixed(struct weston_view *view,
 void
 weston_surface_to_buffer_float(struct weston_surface *surface,
 			       float x, float y, float *bx, float *by);
-void
-weston_surface_to_buffer(struct weston_surface *surface,
-			 int sx, int sy, int *bx, int *by);
 pixman_box32_t
 weston_surface_to_buffer_rect(struct weston_surface *surface,
 			      pixman_box32_t rect);