[metacity] display: remove unneeded code

[Alberts Muktupāvels <muktupavels src gnome org>]

commit bd1b3ef4dab1ea8dac780be637c5c80a4fcc9793
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Jan 8 19:24:42 2017 +0200

    display: remove unneeded code

 src/core/display.c |   14 --------------
 1 files changed, 0 insertions(+), 14 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index bc981d9..1d96d34 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1833,20 +1833,6 @@ event_callback (XEvent   *event,
           break;
         }
 
-      /* If the mouse switches screens, active the default window on the new
-       * screen; this will make keybindings and workspace-launched items
-       * actually appear on the right screen.
-       */
-      {
-        MetaScreen *new_screen =
-          meta_display_screen_for_root (display, event->xcrossing.root);
-
-        if (new_screen != NULL)
-          meta_workspace_focus_default_window (new_screen->active_workspace,
-                                               NULL,
-                                               event->xcrossing.time);
-      }
-
       /* Check if we've entered a window; do this even if window->has_focus to
        * avoid races.
        */