Revert "Migrate to Zola 0.23"

This reverts commit 4f7b33de1f.

templates/shortcodes/map.html

@@ -1,4 +1,3 @@
-{% component map() %}
 <div id="map" class="nn"></div>
 <script type="text/javascript" src="/vendor/leaflet/leaflet.js"></script>
 <script type="text/javascript">
@@ -20,4 +19,3 @@
 			.bindPopup(popup);
 	}
 </script>
-{% endcomponent map %}