Revert "Add cards public page"

This reverts commit 75290bcee7.

index.html

@@ -28,7 +28,6 @@
 
       <ul class="sg-index-list">
         <li><a href="./components/cards.html">Cards</a></li>
-        <li><a href="./components/cards-public-page.html">Cards Public Page</a></li>
         <li><a href="./components/interactive-elements.html">Interactive Elements</a></li>
         <li><a href="./components/charts.html">Charts</a></li>
         <li><a href="./components/data-display.html">Data Display</a></li>