docs: Prepare for new sub tree

See #11925

docs/content/en/variables/taxonomy.md

@@ -1,21 +0,0 @@
----
-title: Taxonomy variables
-description: Use these methods with Taxonomy objects.
-categories: [variables]
-keywords: []
-menu:
-  docs:
-    parent: variables
-    weight: 90
-weight: 90
----
-
-{{% include "variables/_common/consistent-terminology.md" %}}
-
-{{< list-pages-in-section path=/methods/taxonomy titlePrefix=. >}}
-
-{{% note %}}
-Within a taxonomy or term template use the [`Data`] method to retrieve information specific to the taxonomy or term.
-
-[`Data`]: /methods/page/data
-{{% /note %}}