[gnome-clocks] window: Move hide-on-close to UI file

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 753349029fe2f902e8d2168a0e287c649600b703
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Tue Dec 14 14:21:35 2021 +0100

    window: Move hide-on-close to UI file

 data/ui/window.ui | 1 +
 src/window.vala   | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/data/ui/window.ui b/data/ui/window.ui
index 80d5b4a2..8cd9e797 100644
--- a/data/ui/window.ui
+++ b/data/ui/window.ui
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <template class="ClocksWindow" parent="AdwApplicationWindow">
+    <property name="hide-on-close">True</property>
     <child>
       <object class="GtkEventControllerKey">
         <signal name="key-pressed" handler="key_press_cb"/>
diff --git a/src/window.vala b/src/window.vala
index a269bb8d..709edd9c 100644
--- a/src/window.vala
+++ b/src/window.vala
@@ -133,8 +133,6 @@ public class Window : Adw.ApplicationWindow {
         if (Config.PROFILE == "Devel") {
             add_css_class ("devel");
         }
-
-        this.hide_on_close = true;
     }
 
     [Signal (action = true)]