Remove comments

assets/templates/notice.njk

@@ -1,9 +1,3 @@
-{# A page that could not be delivered, written in the same shape as a real
-   one: a title and one root element naming the template that wraps it.
-
-   Sent with 200 on purpose. htmx only swaps a 2xx body, and an error status
-   would leave the reader looking at the page they came from with nothing to
-   say what happened. #}
 <title>{{ heading }}</title>
 <div class="notice" data-template="page">
   <h1>{{ heading }}</h1>