[fractal] password_dialog: Minimize use of child properties

[Daniel Garcia Moreno <danigm src gnome org>]

commit adbe2fa176f16e8f3d6152f70c5281b5094b51d8
Author: Christopher Davis <brainblasted disroot org>
Date:   Sat Oct 31 17:07:58 2020 -0700

    password_dialog: Minimize use of child properties
    
    Child properties are going away in GTK4, so only use
    what we need.

 fractal-gtk/res/ui/password_dialog.ui | 30 ------------------------------
 1 file changed, 30 deletions(-)
---
diff --git a/fractal-gtk/res/ui/password_dialog.ui b/fractal-gtk/res/ui/password_dialog.ui
index 80efa2ed..f812651b 100644
--- a/fractal-gtk/res/ui/password_dialog.ui
+++ b/fractal-gtk/res/ui/password_dialog.ui
@@ -46,7 +46,6 @@
           </object>
           <packing>
             <property name="pack_type">end</property>
-            <property name="position">1</property>
           </packing>
         </child>
       </object>
@@ -57,16 +56,6 @@
         <property name="can_focus">False</property>
         <property name="orientation">vertical</property>
         <property name="spacing">6</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox">
-            <property name="can_focus">False</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox">
             <property name="visible">True</property>
@@ -240,28 +229,9 @@
                     <property name="top_attach">0</property>
                   </packing>
                 </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>