[gtk+] Drop GDK_MULTIDEVICE_SAFE from the docs

[Matthias Clasen <matthiasc src gnome org>]

commit 74d62acf5c650214235a312a4366535004bb96cf
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 25 19:51:24 2016 -0400

    Drop GDK_MULTIDEVICE_SAFE from the docs
    
    All the non-multidevice safe API was deprecated and has been
    dropped now.

 docs/reference/gtk/compiling.sgml |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/docs/reference/gtk/compiling.sgml b/docs/reference/gtk/compiling.sgml
index 1a77806..89856f3 100644
--- a/docs/reference/gtk/compiling.sgml
+++ b/docs/reference/gtk/compiling.sgml
@@ -90,12 +90,5 @@ GDK_PIXBUF_DISABLE_DEPRECATED and G_DISABLE_DEPRECATED for GDK, GdkPixbuf and
 GLib.
 </para>
 
-<para>
-Similarly, if you want to make sure that your program doesn't use any
-functions which may be problematic in a multidevice setting, you can
-define the preprocessor symbol GDK_MULTIDEVICE_SAFE by using the command
-line option <literal>-DGTK_MULTIDEVICE_SAFE=1</literal>.
-</para>
-
 </refsect1>
 </refentry>