[gnome-builder] tree: remove unnecessary return vars

[Christian Hergert <chergert src gnome org>]

commit ee873a45953bc371a1db0ec950a09128935d1e30
Author: Diego Escalante Urrelo <diegoe gnome org>
Date:   Sat Jun 27 03:12:06 2020 -0500

    tree: remove unnecessary return vars

 src/libide/tree/ide-tree.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/src/libide/tree/ide-tree.c b/src/libide/tree/ide-tree.c
index b31fe0f76..41750cfde 100644
--- a/src/libide/tree/ide-tree.c
+++ b/src/libide/tree/ide-tree.c
@@ -517,14 +517,11 @@ ide_tree_query_tooltip (GtkWidget  *widget,
 {
   GtkTreeView *tree_view = (GtkTreeView *)widget;
   g_autoptr(GtkTreePath) path = NULL;
-  GtkTreeViewColumn *column;
-  gint cell_x = 0;
-  gint cell_y = 0;
 
   g_assert (IDE_IS_TREE (tree_view));
   g_assert (GTK_IS_TOOLTIP (tooltip));
 
-  if (gtk_tree_view_get_path_at_pos (tree_view, x, y, &path, &column, &cell_x, &cell_y))
+  if (gtk_tree_view_get_path_at_pos (tree_view, x, y, &path, NULL, NULL, NULL))
     {
       GtkTreeModel *model = gtk_tree_view_get_model (tree_view);
       GtkTreeIter iter;