Drop empty PostStore constructor in Nuxt example

The class only declared a no-op explicit constructor; field
initializers cover what was needed, so let the implicit default
constructor handle it.

#676

Assisted-by: Claude Code:claude-opus-4-7

Author: 2chanhaeng

examples/nuxt/server/store.ts

@@ -10,7 +10,6 @@ declare global {
 class PostStore {
   #map: Map<string, Note> = new Map();
   #timeline: URL[] = [];
-  constructor() {}
   append(posts: Note[]) {
     for (const p of posts) {
       if (!p.id) continue;