[gtk/wip/otte/css] tests: Remove testboxcss

[Benjamin Otte <otte src gnome org>]

commit d1452f20344b6c5240342b3fa065d7880642d63c
Author: Benjamin Otte <otte redhat com>
Date:   Fri Apr 12 05:30:14 2019 +0200

    tests: Remove testboxcss
    
    That test was cool in 2011, but hasn't been updated or used since then
    because its features are now part of widget-factory and the inspector.
    
    So let's remove it.

 tests/meson.build  |   1 -
 tests/testboxcss.c | 240 -----------------------------------------------------
 2 files changed, 241 deletions(-)
---
diff --git a/tests/meson.build b/tests/meson.build
index 67be74027f..66359eb75a 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -19,7 +19,6 @@ gtk_tests = [
   ['testassistant'],
   ['testbaseline'],
   ['testbox'],
-  ['testboxcss'],
   ['testbuttons'],
   ['testcairo'],
   ['testcalendar'],