docs: Prepare for new sub tree

See #11925

docs/content/en/functions/path/Split.md

@@ -1,34 +0,0 @@
----
-title: path.Split
-description: Replaces path separators with slashes (`/`) and splits the resulting path immediately following the final slash, separating it into a directory and file name component. 
-categories: []
-keywords: []
-action:
-  aliases: []
-  related:
-    - functions/path/Base
-    - functions/path/BaseName
-    - functions/path/Clean
-    - functions/path/Dir
-    - functions/path/Ext
-    - functions/path/Join
-  returnType: paths.DirFile
-  signatures: [path.Split PATH]
-aliases: [/functions/path.split]
----
-
-If there is no slash in the given path, `path.Split` returns an empty directory, and file set to path. The returned values have the property that path = dir+file.
-
-```go-html-template
-{{ $dirFile := path.Split "a/news.html" }}
-{{ $dirFile.Dir }} → a/
-{{ $dirFile.File }} → news.html
-
-{{ $dirFile := path.Split "news.html" }}
-{{ $dirFile.Dir }} → "" (empty string)
-{{ $dirFile.File }} → news.html
-
-{{ $dirFile := path.Split "a/b/c" }}
-{{ $dirFile.Dir }} → a/b/
-{{ $dirFile.File }} → c
-```