doc: remove outdated https import reference

PR-URL: nodejs#55111
Fixes: nodejs#55091
Refs: nodejs#53822
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/module.md

@@ -869,9 +869,6 @@ behaviors.
 
 #### Import from HTTPS
 
-In current Node.js, specifiers starting with `https://` are experimental (see
-\[HTTPS and HTTP imports]\[]).
-
 The hook below registers hooks to enable rudimentary support for such
 specifiers. While this may seem like a significant improvement to Node.js core
 functionality, there are substantial downsides to actually using these hooks: