[gtk+] docs: Remove a line that's not true anymore

[Benjamin Otte <otte src gnome org>]

commit 4749eedc084df5aa2764aba0d7a386d3c32c27ac
Author: Benjamin Otte <otte redhat com>
Date:   Sun Jan 8 00:46:08 2017 +0100

    docs: Remove a line that's not true anymore

 gdk/gdkwindow.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 6e77e4e..b761c49 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -1669,8 +1669,7 @@ gdk_window_is_destroyed (GdkWindow *window)
  * gdk_window_has_native:
  * @window: a #GdkWindow
  *
- * Checks whether the window has a native window or not. Note that
- * you can use gdk_window_ensure_native() if a native window is needed.
+ * Checks whether the window has a native window or not.
  *
  * Returns: %TRUE if the @window has a native window, %FALSE otherwise.
  *