[totem] preferences: Move hide-on-delete signals to preferences.ui

[Bastien Nocera <hadess src gnome org>]

commit e41431e24bd486abd5b8b227f9306defeeecb8f3
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed May 5 19:35:32 2021 -0300

    preferences: Move hide-on-delete signals to preferences.ui
    
    They can easily be declared in the .ui file.

 data/preferences.ui     | 2 ++
 src/totem-preferences.c | 4 ----
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/data/preferences.ui b/data/preferences.ui
index bb281236a..2948e81b3 100644
--- a/data/preferences.ui
+++ b/data/preferences.ui
@@ -91,6 +91,8 @@
   <property name="focus_on_map">True</property>
   <property name="urgency_hint">False</property>
   <property name="use-header-bar">1</property>
+  <signal name="delete-event" handler="gtk_widget_hide_on_delete"/>
+  <signal name="response" handler="gtk_widget_hide"/>
 
   <child internal-child="vbox">
     <object class="GtkVBox" id="tpw_dialog_vbox">
diff --git a/src/totem-preferences.c b/src/totem-preferences.c
index 96a1fcdb3..976d568db 100644
--- a/src/totem-preferences.c
+++ b/src/totem-preferences.c
@@ -241,10 +241,6 @@ totem_setup_preferences (Totem *totem)
 
        bvw = totem_object_get_video_widget (totem);
 
-       g_signal_connect (G_OBJECT (totem->prefs), "response",
-                       G_CALLBACK (gtk_widget_hide), NULL);
-       g_signal_connect (G_OBJECT (totem->prefs), "delete-event",
-                       G_CALLBACK (gtk_widget_hide_on_delete), NULL);
         g_signal_connect (totem->prefs, "destroy",
                           G_CALLBACK (gtk_widget_destroyed), &totem->prefs);