[gtk/tests-cleanup] tests: Drop testcolorchooser

[Matthias Clasen <matthiasc src gnome org>]

commit b8e905eae70d31834831bd790154d2ed853e6cae
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 13 16:15:09 2020 -0400

    tests: Drop testcolorchooser
    
    We have plenty of color choosers in demos.
    This test doesn't add anything.
    
    See #2738

 tests/meson.build        |   1 -
 tests/testcolorchooser.c | 108 -----------------------------------------------
 2 files changed, 109 deletions(-)
---
diff --git a/tests/meson.build b/tests/meson.build
index f24d147fc5..28e3cf2f46 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -20,7 +20,6 @@ gtk_tests = [
   ['testbuttons'],
   ['testcalendar'],
   ['testclipboard2'],
-  ['testcolorchooser'],
   ['testcombo'],
   ['testcombochange'],
   ['testcellrenderertext'],