Remove quotes from archetype front matter dates.

archetypes/poetry.md

@@ -5,9 +5,9 @@ pinned: false
 title: "{{ replace .Name "-" " " | title }}"
 subtitle: ""
 author: Bug
-date: "{{ .Date }}"
-started:
-lastmod:
+#started: {{ .Date }}
+date:    {{ .Date }}
+#lastmod: {{ .Date }}
 toc: true
 images:
 tags: