[network-manager-sstp] Removing yet another packing/positioning GTK4 warning

[Eivind Næss <eivnaes src gnome org>]

commit 182a55b942cb43fdbf398ade2d8862d83157ed4e
Author: Eivind Næss <eivnaes yahoo com>
Date:   Thu Apr 7 08:42:02 2022 -0700

    Removing yet another packing/positioning GTK4 warning
    
    Signed-off-by: Eivind Næss <eivnaes yahoo com>

 properties/nm-sstp-dialog.ui | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/properties/nm-sstp-dialog.ui b/properties/nm-sstp-dialog.ui
index 2645fc4..7dda6e0 100644
--- a/properties/nm-sstp-dialog.ui
+++ b/properties/nm-sstp-dialog.ui
@@ -1653,9 +1653,6 @@ or just the Common Name (CN field).
                   </packing>
                 </child>
               </object>
-              <packing>
-                <property name="position">3</property>
-              </packing>
             </child>
             <child type="tab">
               <object class="GtkLabel" id="adv_tab_label_proxy">