[css-overflow-3] Remove stray reference to replaced elements

See #7144 (comment)
and cee1bff

Author: fantasai

css-overflow-3/Overview.bs

@@ -430,7 +430,7 @@ Managing Overflow: the 'overflow-x', 'overflow-y', and 'overflow' properties</h3
 		Name: overflow-x, overflow-y, overflow-block, overflow-inline
 		Value: visible | hidden | clip | scroll | auto
 		Initial: ''visible''
-		Applies to: block containers [[!CSS2]], flex containers [[!CSS3-FLEXBOX]], grid containers [[!CSS3-GRID-LAYOUT]], and [=replaced=] elements
+		Applies to: block containers [[!CSS2]], flex containers [[!CSS3-FLEXBOX]], grid containers [[!CSS3-GRID-LAYOUT]]
 		Inherited: no
 		Logical property group: overflow
 		Percentages: N/A