update pretalx shortcode

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

themes/openpowerfoundation/layouts/partials/footer.html

@@ -61,7 +61,6 @@
 <script src="{{ "lib/magnific-popup/magnific-popup.min.js" | absURL }}"></script>
 <script src="{{ "lib/slick/slick.min.js" | absURL }}"></script>
 <script src="https://registration.openpower.foundation/widget/v1.en.js" type="text/javascript" async></script>
-<script src="https://cfp.openpower.foundation/summit2021/schedule/widget/v2.en.js" type="text/javascript" async></script>
 
 <script src="{{ "js/preload.js" | absURL }}"></script>
 

themes/openpowerfoundation/layouts/shortcodes/pretalx.html

@@ -0,0 +1,14 @@
+{{ $eventcode := .Get "event" }}
+
+<script src="https://cfp.openpower.foundation/{{ $eventcode }}/schedule/widget/v2.en.js" type="text/javascript" async></script>
+
+<pretalx-schedule event-url="https://cfp.openpower.foundation/{{ $eventcode}}/" locale="en" format="grid" style="--pretalx-clr-primary: #3aa57c">
+</pretalx-schedule>
+<noscript>
+<div class="pretalx-widget">
+	<div class="pretalx-widget-info-message">
+		JavaScript is disabled in your browser. To access our schedule without JavaScript,
+		please <a target="_blank" href="https://cfp.openpower.foundation/$eventcode/schedule/">click here</a>.
+	</div>
+</div>
+</noscript>