[css-sizing-4] Per WG resolution, drop the 'relevant to the user' condition. w3c#6308

Author: tabatkins

css-sizing-4/Overview.bs

@@ -552,9 +552,8 @@ Overriding Contained Intrinsic Sizes: the 'contain-intrinsic-*' properties</h3>
 		:: The corresponding axis has an [=explicit intrinsic inner size=] of the specified <<length>>.
 
 		: <dfn>auto <<length>></dfn>
-		:: If the element has a [=last remembered size=],
-			is currently [=skipping its contents=],
-			and is not [=relevant to the user=],
+		:: If the element has a [=last remembered size=]
+			and is currently [=skipping its contents=],
 			its [=explicit intrinsic inner size=]
 			is the [=last remembered size=].