[gnome-calendar] edit-dialog: cleanup ui file

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit a0e64ca3c82ed7954cde7dab80d4d84998676855
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Sep 7 14:38:46 2017 -0300

    edit-dialog: cleanup ui file

 data/ui/edit-dialog.ui |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/data/ui/edit-dialog.ui b/data/ui/edit-dialog.ui
index 26cc430..22455b1 100644
--- a/data/ui/edit-dialog.ui
+++ b/data/ui/edit-dialog.ui
@@ -1,13 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.18.3 -->
 <interface>
-  <requires lib="gtk+" version="3.12"/>
   <template class="GcalEditDialog" parent="GtkDialog">
     <property name="can_focus">False</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
     <property name="window_position">center-on-parent</property>
-    <property name="use_header_bar">0</property>
+    <property name="use_header_bar">1</property>
     <property name="destroy_with_parent">True</property>
     <property name="type_hint">dialog</property>
     <child type="titlebar">