cleanup, docs

site/doc/pages/file_get_contents.txt

@@ -14,7 +14,6 @@ Reads the file identified by `file_name` and returns it as a `String`.
 The read transparently takes a shared file lock for the duration of the call. If another worker is writing the same file with `file_put_contents()` or `file_append()`, this read waits for that exclusive write lock to finish, so callers do not manage locks manually.
 
 If the file cannot be read, this function returns an empty string.
-## Related Concepts
 
-- PHP: `file_get_contents()`
-- JavaScript / Node.js: Node `fs.readFileSync()` or `fs.promises.readFile()`
+:example
+print("file_get_contents example\n");