docs: we need to hide this for the moment

especially as it's not positioned correctly

Author: mfranzke

source/_patterns/01-elements/input/input~maxlength.md

@@ -1,6 +1,7 @@
 ---
 title: Input - maxlength
 order: 12
+hidden: true
 ---
 
 To set the maximum length of allowed characters on an input element, you could use the `maxlength`-attribute on the input field. This would additionally provide a visual counter.