Revert "Introduce API to get the preferred visual"

This reverts commit 2b95d1a34ed7cd70ea3eaaa9b7d8add200b5a9d2.

Conflicts:
	gdk/gdkscreen.c

1 files changed, 0 insertions, 30 deletions

diff --git a/gdk/gdkscreen.c b/gdk/gdkscreen.c
index fef85cd907..d6ea6ca529 100644
--- a/gdk/gdkscreen.c
+++ b/gdk/gdkscreen.c
@@ -913,36 +913,6 @@ gdk_screen_get_rgba_visual (GdkScreen *screen)
 }
 
 /**
- * gdk_screen_get_preferred_visual:
- * @screen: a #GdkScreen
- *
- * Returns the visual that is preferred when creating windows.
- *
- * This will be the visual returned by gdk_screen_get_rgba_visual()
- * unless that is not available, or unless the environment
- * variable `GDK_RGBA` is set to `0`.
- *
- * Return value: (transfer none): the preferred visual to use
- *     for windows
- *
- * Since: 3.12
- */
-GdkVisual *
-gdk_screen_get_preferred_visual (GdkScreen *screen)
-{
-  GdkVisual *visual;
-
-  g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
-  visual = gdk_screen_get_rgba_visual (screen);
-
-  if (visual == NULL || g_strcmp0 (g_getenv ("GDK_RGBA"), "0") == 0)
-    visual = gdk_screen_get_system_visual (screen);
-
-  return visual;
-}
-
-/**
  * gdk_screen_is_composited:
  * @screen: a #GdkScreen
  *