fix: remove unused styles in default layout to restore missing styles in

generated HTML

Element Plus' styles would be missing if there's anything in default
layout's styles including comments.

Author: SkyBird233

layouts/default.vue

@@ -33,20 +33,3 @@ onMounted(() => {
     </div>
   </div>
 </template>
-
-<style scoped>
-.logo {
-  height: 6em;
-  padding: 1.5em;
-  will-change: filter;
-  transition: filter 300ms;
-}
-
-.logo:hover {
-  filter: drop-shadow(0 0 2em #646cffaa);
-}
-
-.logo.vue:hover {
-  filter: drop-shadow(0 0 2em #42b883aa);
-}
-</style>