[gtk+] Remove tree.ui a11y dump test

[Matthias Clasen <matthiasc src gnome org>]

commit 1aff20b93e52ad5cca8453076ad858d9ae1f6c27
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 16 21:07:36 2012 -0500

    Remove tree.ui a11y dump test
    
    This is just broken currently; it needs fixing before it can come
    back.

 tests/a11y/Makefile.am |    1 -
 tests/a11y/tree.txt    |  415 ------------------------------------------------
 tests/a11y/tree.ui     |   63 --------
 3 files changed, 0 insertions(+), 479 deletions(-)
---
diff --git a/tests/a11y/Makefile.am b/tests/a11y/Makefile.am
index 9b7a800..b79dc95 100644
--- a/tests/a11y/Makefile.am
+++ b/tests/a11y/Makefile.am
@@ -49,7 +49,6 @@ EXTRA_DIST += \
 	range.ui range.txt \
 	link.ui link.txt \
 	text.ui text.txt \
-	tree.ui tree.txt \
 	buttons.ui buttons.txt \
 	colorchooser.ui colorchooser.txt \
 	about.ui about.txt \