[libdazzle] tests: remove dead code

[Christian Hergert <chergert src gnome org>]

commit fa1ddaa7e19ac188ff8c9c82e0a5e485b5c6b51f
Author: Christian Hergert <chergert redhat com>
Date:   Tue Dec 5 02:55:53 2017 -0800

    tests: remove dead code

 tests/test-tree.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/tests/test-tree.c b/tests/test-tree.c
index 73d8a89..63c5bbc 100644
--- a/tests/test-tree.c
+++ b/tests/test-tree.c
@@ -210,8 +210,6 @@ main (gint   argc,
   gtk_tree_view_enable_model_drag_dest (GTK_TREE_VIEW (tree),
                                         drag_targets, G_N_ELEMENTS (drag_targets),
                                         GDK_ACTION_COPY | GDK_ACTION_MOVE);
-  gtk_drag_source_add_uri_targets (tree);
-  gtk_drag_dest_add_uri_targets (tree);
   gtk_container_add (GTK_CONTAINER (scroller), tree);
 
   builder = dzl_tree_builder_new ();