[gtk/wip/baedert/css-values] testsuite: Remove an invalid test case

[Timm Bäder <baedert src gnome org>]

commit 14422e7269d03471d23b8f18162ae518499d4cfd
Author: Timm Bäder <mail baedert org>
Date:   Tue Jan 14 15:15:56 2020 +0100

    testsuite: Remove an invalid test case

 testsuite/css/parser/meson.build                                   | 3 ---
 testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.css    | 7 -------
 testsuite/css/parser/text-shadow-invalid-but-worked-in-3.12.errors | 2 --
 .../css/parser/text-shadow-invalid-but-worked-in-3.12.ref.css      | 0
 4 files changed, 12 deletions(-)
---
diff --git a/testsuite/css/parser/meson.build b/testsuite/css/parser/meson.build
index 607faab0bb..3c22f8e9e3 100644
--- a/testsuite/css/parser/meson.build
+++ b/testsuite/css/parser/meson.build
@@ -426,9 +426,6 @@ test_data = [
   'text-decoration-style.css',
   'text-decoration-style.ref.css',
   'text-shadow.css',
-  'text-shadow-invalid-but-worked-in-3.12.css',
-  'text-shadow-invalid-but-worked-in-3.12.errors',
-  'text-shadow-invalid-but-worked-in-3.12.ref.css',
   'text-shadow.ref.css',
   'transition.css',
   'transition-delay.css',