Updated the normalise css.

sass/base/links/_links.scss

@@ -10,14 +10,11 @@
 // :hover   - A link that is being hovered over.
 // :focus   - A link that has been given keyboard focus.
 // :active  - A link that is being actively clicked.
-//
-// Markup: links-a.twig
-//
-// Style guide: base.link
 
 a,
 %link {
   color: color(link);
+  // sass-lint:disable no-vendor-prefixes
   // Remove gaps in links underline in iOS 8+ and Safari 8+.
   -webkit-text-decoration-skip: objects;
 }
@@ -42,10 +39,3 @@ a:active {
     background-color: transparent;
   }
 }
-
-// Remove the outline on focused links when they are also active or hovered
-// in all browsers (opinionated).
-a:active,
-a:hover {
-  outline-width: 0;
-}