[css-overflow-4][editorial] Remove duplicate old Animation line. Fixes #8115

Author: tabatkins

css-overflow-4/Overview.bs

@@ -1201,7 +1201,6 @@ the ''continue/fragments'' value of the 'continue' property.
 		Initial: none
 		Applies to: fragment boxes
 		Inherited: no
-		Animatable: as <a href="https://www.w3.org/TR/css3-transitions/#animatable-types">integer</a>
 		Percentages: N/A
 		Computed value: the keyword ''max-lines/none'' or an integer
 		Animation type: by computed value type