[gtk+] docs: remove reference to nonexistant api

[William Jon McCann <mccann src gnome org>]

commit 5735e8e09d5228554c2c79c0b0e1db5914e0f55f
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Jan 20 17:23:00 2014 -0500

    docs: remove reference to nonexistant api
    
    Refers to an uncommitted part of
    https://bugzilla.gnome.org/show_bug.cgi?id=696001

 gdk/gdkevents.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkevents.h b/gdk/gdkevents.h
index 95cadb6..90c5bb0 100644
--- a/gdk/gdkevents.h
+++ b/gdk/gdkevents.h
@@ -460,8 +460,7 @@ typedef enum
  * @GDK_WINDOW_STATE_ABOVE: the window is kept above other windows.
  * @GDK_WINDOW_STATE_BELOW: the window is kept below other windows.
  * @GDK_WINDOW_STATE_FOCUSED: the window is presented as focused (with active decorations).
- * @GDK_WINDOW_STATE_TILED: the window is in a tiled state, see
- *   gdk_window_get_tiled_edges() for more details. Since 3.10
+ * @GDK_WINDOW_STATE_TILED: the window is in a tiled state, Since 3.10
  *
  * Specifies the state of a toplevel window.
  */