docs: Prepare for new sub tree

See #11925

docs/content/en/methods/pages/ByLastmod.md

@@ -1,31 +0,0 @@
----
-title: ByLastmod
-description: Returns the given page collection sorted by last modification date in ascending order.
-categories: []
-keywords: []
-action:
-  related:
-    - methods/pages/ByDate
-    - methods/pages/ByExpiryDate
-    - methods/pages/ByPublishDate
-  returnType: page.Pages
-  signatures: [PAGES.ByLastmod]
----
-
-When sorting by last modification date, the value is determined by your [site configuration], defaulting to the `lastmod` field in front matter.
-
-[site configuration]: /getting-started/configuration/#configure-dates
-
-```go-html-template
-{{ range .Pages.ByLastmod }}
-  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
-{{ end }}
-```
-
-To sort in descending order:
-
-```go-html-template
-{{ range .Pages.ByLastmod.Reverse }}
-  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
-{{ end }}
-```