Test fix for unnessessary library absention

ubl-settings-manager.glade

@@ -5,7 +5,6 @@
   <!-- interface-css-provider-path ubl-settings-manager.css -->
   <object class="GtkWindow" id="CautionWindow">
     <property name="can-focus">False</property>
-    <property name="valign">start</property>
     <property name="resizable">False</property>
     <property name="icon-name">dialog-information-symbolic</property>
     <property name="deletable">False</property>
@@ -150,8 +149,6 @@
   </object>
   <object class="GtkApplicationWindow" id="HelpSureWindow">
     <property name="can-focus">False</property>
-    <property name="halign">start</property>
-    <property name="valign">start</property>
     <property name="resizable">False</property>
     <property name="default-width">450</property>
     <property name="default-height">250</property>