Remove setTimeout.

dist/js/splide.js

@@ -2120,9 +2120,7 @@ var UID_NAME = 'uid';
       });
       Splide.on('updated', function () {
         removeClass(root, getClasses());
-        setTimeout(function () {
-          addClass(root, getClasses());
-        });
+        addClass(root, getClasses());
       });
     },
 

src/js/components/elements/index.js

@@ -93,7 +93,7 @@ export default ( Splide, Components ) => {
 
 			Splide.on( 'updated', () => {
 				removeClass( root, getClasses() );
-				setTimeout( () => { addClass( root, getClasses() ) } );
+				addClass( root, getClasses() );
 			} );
 		},