page_content rendering shouldn't start hover mode.

The page content is ajaxed in sometimes, but that doesn't mean that it
should assume anything about the current operation mode.

lute/templates/read/page_content.html

@@ -19,6 +19,5 @@
 
 <script>
   // Defined in lute.js
-  parent.start_hover_mode();
   parent.add_status_classes();
 </script>