[gtk] css provider: Stop mentioning key themes

[Matthias Clasen <matthiasc src gnome org>]

commit f2e197a389cc9d1f44858ec8e11d9996f6766faa
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed May 8 21:40:29 2019 +0000

    css provider: Stop mentioning key themes
    
    We no longer do this.

 gtk/gtkcssprovider.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index fd6e6cc1dc..ab4a1cb2a8 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -71,9 +71,6 @@
  * `GTK_DATA_PREFIX` environment variable), and `VERSION` is the GTK+ version number.
  * If no file is found for the current version, GTK+ tries older versions all the
  * way back to 4.0.
- *
- * In the same way, GTK+ tries to load a gtk-keys.css file for the current
- * key theme, as defined by #GtkSettings:gtk-key-theme-name.
  */