[css-sizing-3] Remove extraneous "for replaced elements" qualifier. Delete typo.

Author: tabatkins

css-sizing-3/Overview.bs

@@ -822,8 +822,7 @@ Intrinsic Sizes</h3>
 	and can affect the ''width/auto'' size in the considered one.
 	See <a href="https://www.w3.org/TR/CSS2/visudet.html">CSS2&sect;10</a>.
 
-	For replaced elements,
-	if the <a>max-content size</a> size would depend
+	If the <a>max-content size</a> would depend
 	on the size of the containing block
 	(as it does for images with an intrinsic aspect ratio but no intrinsic size,
 	see <a href="https://www.w3.org/TR/CSS2/visudet.html#inline-replaced-width">CSS2&sect;10.3.2</a>)