Remove a bunch of dead code

Code isn't version control. We don't need bug links and commented out
code to remind us of how things were done originally.

https://bugzilla.gnome.org/show_bug.cgi?id=671104

src/core/display.c

@@ -1565,44 +1565,6 @@ meta_display_queue_autoraise_callback (MetaDisplay *display,
   display->autoraise_window = window;
 }
 
-#if 0
-static void
-handle_net_restack_window (MetaDisplay* display,
-                           XEvent *event)
-{
-  MetaWindow *window;
-
-  window = meta_display_lookup_x_window (display,
-                                         event->xclient.window);
-
-  if (window)
-    {
-      /* FIXME: The EWMH includes a sibling for the restack request, but we
-       * (stupidly) don't currently support these types of raises.
-       *
-       * Also, unconditionally following these is REALLY stupid--we should
-       * combine this code with the stuff in
-       * meta_window_configure_request() which is smart about whether to
-       * follow the request or do something else (though not smart enough
-       * and is also too stupid to handle the sibling stuff).
-       */
-      switch (event->xclient.data.l[2])
-        {
-        case Above:
-          meta_window_raise (window);
-          break;
-        case Below:
-          meta_window_lower (window);
-          break;
-        case TopIf:
-        case BottomIf:
-        case Opposite:
-          break;          
-        }
-    }
-}
-#endif
-
 /**
  * event_callback:
  * @event: The event that just happened
@@ -2450,11 +2412,6 @@ event_callback (XEvent   *event,
             else if (event->xproperty.atom ==
                      display->atom__NET_DESKTOP_NAMES)
               meta_screen_update_workspace_names (screen);
-#if 0
-            else if (event->xproperty.atom ==
-                     display->atom__NET_RESTACK_WINDOW)
-              handle_net_restack_window (display, event);
-#endif
 
             /* we just use this property as a sentinel to avoid
              * certain race conditions.  See the comment for the
@@ -4041,21 +3998,6 @@ meta_display_grab_focus_window_button (MetaDisplay *display,
 {
   /* Grab button 1 for activating unfocused windows */
   meta_verbose ("Grabbing unfocused window buttons for %s\n", window->desc);
-
-#if 0
-  /* FIXME:115072 */
-  /* Don't grab at all unless in click to focus mode. In click to
-   * focus, we may sometimes be clever about intercepting and eating
-   * the focus click. But in mouse focus, we never do that since the
-   * focus window may not be raised, and who wants to think about
-   * mouse focus anyway.
-   */
-  if (meta_prefs_get_focus_mode () != G_DESKTOP_FOCUS_MODE_CLICK)
-    {
-      meta_verbose (" (well, not grabbing since not in click to focus mode)\n");
-      return;
-    }
-#endif
   
   if (window->have_focus_click_grab)
     {