[css-cascade-6][editorial] Remove note as irrelevant to local context

Author: mirisuzanne

css-cascade-6/Overview.bs

@@ -249,10 +249,6 @@ Scoped Styles</h3>
 	* It is an [=inclusive descendant=] of the [=scoping root=], and
 	* It is not an [=inclusive descendant=] of a [=scoping limit=].
 
-	Note: Only <em>elements</em> can be [=in scope=],
-		however the '':scope'' pseudo-class can match non-elements
-		when it is not the [=subject=] of a selector.
-
 	[=Scopes=] are described in CSS using the ''@scope'' rule.
 
 	Note: In contrast to [[CSS-SCOPING-1#shadow-dom|Shadow Encapsulation]],