[gnome-user-docs] Remove middle-click pages because Wayland

[Ekaterina Gerasimova <kat src gnome org>]

commit 18d8e827c2a61aef7fd2819ce9de109811cfa3fa
Author: Ekaterina Gerasimova <kittykat3756 gmail com>
Date:   Mon Sep 28 17:29:07 2015 -0400

    Remove middle-click pages because Wayland
    
    Wayland is coming, which does not support middle click.

 gnome-help/C/mouse-middleclick.page    |   82 --------------------------------
 gnome-help/C/mouse-touchpad-click.page |    5 --
 gnome-help/C/tips.page                 |    9 +++-
 gnome-help/Makefile.am                 |    1 -
 4 files changed, 7 insertions(+), 90 deletions(-)
---
diff --git a/gnome-help/C/mouse-touchpad-click.page b/gnome-help/C/mouse-touchpad-click.page
index c9a48e7..d4df446 100644
--- a/gnome-help/C/mouse-touchpad-click.page
+++ b/gnome-help/C/mouse-touchpad-click.page
@@ -73,11 +73,6 @@
       buttons to right-click. See <link xref="a11y-right-click"/> for a method
       of right-clicking without a second mouse button.</p>
     </item>
-    <item>
-      <p>If your touchpad supports multi-finger taps,
-      <link xref="mouse-middleclick">middle-click</link> by tapping with three
-      fingers at once.</p>
-    </item>
   </list>
 
   <note>
diff --git a/gnome-help/C/tips.page b/gnome-help/C/tips.page
index d2a4f2d..e005908 100644
--- a/gnome-help/C/tips.page
+++ b/gnome-help/C/tips.page
@@ -1,17 +1,22 @@
 <page xmlns="http://projectmallard.org/1.0/";
       type="guide" style="tip"
       id="tips">
+
   <info>
     <link type="guide" xref="index" group="tips"/>
 
+    <revision pkgversion="3.18" date="2015-09-28" status="candidate" />
+
     <credit type="author">
       <name>Shaun McCance</name>
       <email>shaunm gnome org</email>
     </credit>
 
-    <desc><link xref="tips-specialchars">Special characters</link>, <link xref="mouse-middleclick">middle 
click shortcuts</link>…</desc>
     <include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
+
+    <!-- TODO: expand desc with some more interesting tips -->
+    <desc><link xref="tips-specialchars">Special characters</link>…</desc>
   </info>
 
   <title>Tips &amp; tricks</title>
-</page>
\ No newline at end of file
+</page>
diff --git a/gnome-help/Makefile.am b/gnome-help/Makefile.am
index f54f2df..aea4caa 100644
--- a/gnome-help/Makefile.am
+++ b/gnome-help/Makefile.am
@@ -228,7 +228,6 @@ HELP_FILES = \
        more-help.page \
        mouse-doubleclick.page \
        mouse-lefthanded.page \
-       mouse-middleclick.page \
        mouse-mousekeys.page \
        mouse-problem-notmoving.page \
        mouse-sensitivity.page \