Removed USERSHADOW_SYNC parameter from interface

ubl-settings-usergroups-user.glade

@@ -1179,7 +1179,6 @@
                 </child>
                 <child>
                   <object class="GtkFrame">
-                    <property name="visible">True</property>
                     <property name="can-focus">False</property>
                     <property name="label-xalign">0.019999999552965164</property>
                     <property name="shadow-type">in</property>