ivi-shell: remove ivi_layout_surface_get_visibility API

Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>
Acked-by: wataru_natsume <wataru_natsume@xddp.denso.co.jp>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
diff --git a/ivi-shell/ivi-layout-transition.c b/ivi-shell/ivi-layout-transition.c
index 483437d..fd8ce85 100644
--- a/ivi-shell/ivi-layout-transition.c
+++ b/ivi-shell/ivi-layout-transition.c
@@ -539,7 +539,7 @@
 				    uint32_t duration)
 {
 	struct ivi_layout_transition *transition;
-	bool is_visible = ivi_layout_surface_get_visibility(surface);
+	bool is_visible = surface->prop.visibility;
 	wl_fixed_t dest_alpha = ivi_layout_surface_get_opacity(surface);
 	struct store_alpha *user_data = NULL;
 	wl_fixed_t start_alpha = 0.0;