Bug fixes

default.revealjs

@@ -206,8 +206,6 @@ $endif$
         rollingLinks: ('$rollingLinks$' === '' ? false : true),
         // Hides the address bar on mobile devices
         hideAddressBar: ('$hideAddressBar$' === '' ? false : true),
-        // Opens links in an iframe preview overlay
-        previewLinks: ('$previewLinks$' === '' ? false : true),
 $if(transition)$
         // Transition style
         transition: '$transition$', // none/fade/slide/convex/concave/zoom