gui: Remove gui_synclist_item_is_onscreen()

Only the "Rockbox Info" screen uses it for a rather silly purpose,
so remove the function. This helps to decouple things from the GUI.

Change-Id: Icf73e3ee1230c75bf43016c0f1c05c7fe1a24895

1 files changed, 0 insertions, 7 deletions

diff --git a/apps/gui/list.c b/apps/gui/list.c
index bb5d1a922e..d15948e97a 100644
--- a/apps/gui/list.c
+++ b/apps/gui/list.c
@@ -800,13 +800,6 @@ bool list_do_action(int context, int timeout,
     return gui_synclist_do_button(lists, action);
 }
 
-bool gui_synclist_item_is_onscreen(struct gui_synclist *lists,
-                                   enum screen_type screen, int item)
-{
-    int nb_lines = list_get_nb_lines(lists, screen);
-    return (unsigned)(item - lists->start_item[screen]) < (unsigned) nb_lines;
-}
-
 /* Simple use list implementation */
 static int simplelist_line_count = 0, simplelist_line_remaining;
 static int simplelist_line_pos;