[krb5-auth-dialog] Drop type-hint properties from dialogs

[Guido Günther <guidog src gnome org>]

commit ac7faf742b19dff76fc66bafb3fccf73be32b676
Author: Guido Günther <agx sigxcpu org>
Date:   Mon Oct 17 10:13:51 2022 +0200

    Drop type-hint properties from dialogs
    
    GTK4 doesn't support those.

 src/resources/ui/ka-preferences.ui | 1 -
 src/resources/ui/ka-pwdialog.ui    | 1 -
 2 files changed, 2 deletions(-)
---
diff --git a/src/resources/ui/ka-preferences.ui b/src/resources/ui/ka-preferences.ui
index 200b94d..9115af0 100644
--- a/src/resources/ui/ka-preferences.ui
+++ b/src/resources/ui/ka-preferences.ui
@@ -11,7 +11,6 @@
     <property name="margin-end">5</property>
     <property name="margin-start">5</property>
     <property name="margin-top">5</property>
-    <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox">
         <property name="visible">True</property>
diff --git a/src/resources/ui/ka-pwdialog.ui b/src/resources/ui/ka-pwdialog.ui
index 2c2c9db..d85bd56 100644
--- a/src/resources/ui/ka-pwdialog.ui
+++ b/src/resources/ui/ka-pwdialog.ui
@@ -5,7 +5,6 @@
     <property name="border_width">6</property>
     <property name="title" translatable="yes">Kerberos Authentication</property>
     <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
 
     <child type="action">
       <object class="GtkButton" id="cancel_button">