NO-OP/cleanup WINDOWS was never defined here

also snapshot and rename do close files, so this is no longer
and issue.

gtk2_ardour/ardour.menus.in

@@ -8,11 +8,9 @@
       <separator/>
       <menuitem action='Save'/>
       <menuitem action='SaveAs'/>
-#ifndef WINDOWS /* can't move open files. */
       <menuitem action='Rename'/>
       <menuitem action='SnapshotStay'/>
       <menuitem action='SnapshotSwitch'/>
-#endif
       <menuitem action='SaveTemplate'/>
       <menuitem action='Archive'/>
       <separator/>