[metacity] display: remove useless warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 47e02cec0410d73186204b6762808cd244653345
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Mar 12 12:15:04 2017 +0200

    display: remove useless warning

 src/core/display.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 848e3e2..1ecdc3e 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1855,7 +1855,6 @@ event_callback (XEvent   *event,
               if (window->frame)
                 {
                   window->frame->need_reapply_frame_shape = TRUE;
-                  g_warning ("from event callback");
                   meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
                 }
             }