Revert demo page change

Author: castastrophe

doc/index.html

@@ -19,7 +19,6 @@ <h1>Demos</h1>
 					<li><a href="../elements/pfe-cta/demo">pfe-cta</a></li>
 					<li><a href="../elements/pfe-datetime/demo">pfe-datetime</a></li>
 					<li><a href="../elements/pfe-health-index/demo">pfe-health-index</a></li>
-					<li><a href="../elements/pfe-hide-show/demo">pfe-hide-show</a></li>
 					<li><a href="../elements/pfe-icon/demo">pfe-icon</a></li>
 					<li><a href="../elements/pfe-icon-panel/demo">pfe-icon-panel</a></li>
 					<li><a href="../elements/pfe-layouts/demo">pfe-layouts</a></li>