docs: Prepare for new sub tree

See #11925

docs/content/en/methods/page/Layout.md

@@ -1,40 +0,0 @@
----
-title: Layout
-description: Returns the layout for the given page as defined in front matter.
-categories: []
-keywords: []
-action:
-  related:
-    - methods/page/Type
-  returnType: string
-  signatures: [PAGE.Layout]
----
-
-Specify the `layout` field in front matter to target a particular template. See [details].
-
-[details]: /templates/lookup-order/#target-a-template
-
-{{< code-toggle file=content/contact.md >}}
-title = 'Contact'
-layout = 'contact'
-{{< /code-toggle >}}
-
-Hugo will render the page using contact.html.
-
-```text
-layouts/
-└── _default/
-    ├── baseof.html
-    ├── contact.html
-    ├── home.html
-    ├── list.html
-    └── single.html
-```
-
-Although rarely used within a template, you can access the value with:
-
-```go-html-template
-{{ .Layout }}
-```
-
-The `Layout` method returns an empty string if the `layout` field in front matter is not defined.