fix typo

src/runtime/internal/dom.ts

@@ -634,7 +634,6 @@ export function toggle_class(element, name, toggle) {
 	element.classList[toggle ? 'add' : 'remove'](name);
 }
 
-
 export function custom_event<T=any>(type: string, detail?: T, { bubbles = false, cancelable = false } = {}): CustomEvent<T> {
 	const e: CustomEvent<T> = document.createEvent('CustomEvent');
 	e.initCustomEvent(type, bubbles, cancelable, detail);