Replace usage of comment shortcode with HTML comments

archetypes/glossary.md

@@ -2,7 +2,7 @@
 title: {{ replace .File.ContentBaseName "-" " " }}
 ---
 
-{{% comment %}}
+<!--
 You can insert these definitions in other pages using the `glossary-term` shortcode, so they must be self-contained.
 
 Do this:
@@ -16,4 +16,4 @@ Not this:
 Italicize the term whenever you use it in the definition.
 
 An exception to this rule occurs when a term is an alias for another. In such cases, it is sufficient to use the phrase 'See [page kind]'."
-{{% /comment %}}
+-->