[empathy] Quit when window is closed, thank you

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 320a5e9c6f73cd8ce496a0ccb7149542648c3ccb
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Aug 16 22:49:48 2017 -0500

    Quit when window is closed, thank you

 src/empathy-roster-window.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/src/empathy-roster-window.c b/src/empathy-roster-window.c
index d8e916f..26d0e25 100644
--- a/src/empathy-roster-window.c
+++ b/src/empathy-roster-window.c
@@ -2332,10 +2332,6 @@ empathy_roster_window_init (EmpathyRosterWindow *self)
   gtk_window_set_role (GTK_WINDOW (self), "contact_list");
   gtk_window_set_default_size (GTK_WINDOW (self), 225, 325);
 
-  /* don't finalize the widget on delete-event, just hide it */
-  g_signal_connect (self, "delete-event",
-    G_CALLBACK (gtk_widget_hide_on_delete), NULL);
-
   /* Set up interface */
   filename = empathy_file_lookup ("empathy-roster-window.ui", "src");
   gui = tpaw_builder_get_file (filename,