docs: Prepare for new sub tree

See #11925

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

@@ -1,24 +0,0 @@
----
-title: ByLength
-description: Returns the given page collection sorted by content length in ascending order.
-categories: []
-keywords: []
-action:
-  related: []
-  returnType: page.Pages
-  signatures: [PAGES.ByLength]
----
-
-```go-html-template
-{{ range .Pages.ByLength }}
-  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
-{{ end }}
-```
-
-To sort in descending order:
-
-```go-html-template
-{{ range .Pages.ByLength.Reverse }}
-  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
-{{ end }}
-```