tdf#65509 - Auto Save Also Too Disabled

Disabled "Autosave this document too."
This feature never worked right. I just made it invisible until
someone figures out how to make it work properly in order to avoid
confusion and possible data loss.

Change-Id: I9fdcf35944eec456c8b569817ddde95c13e9378e
Reviewed-on: https://gerrit.libreoffice.org/15721Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

cui/uiconfig/ui/optsavepage.ui

@@ -153,7 +153,7 @@
                 <child>
                   <object class="GtkCheckButton" id="userautosave">
                     <property name="label" translatable="yes">Automatically save the document too</property>
-                    <property name="visible">True</property>
+                    <property name="visible">False</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">False</property>
                     <property name="margin_left">12</property>