refactor(frontend): frontendの検索インデックス作成のスタンドアロンコマンド実装を完全に削除 (#15790)

This reverts commit e594fb0037.

packages/frontend/package.json

@@ -136,7 +136,6 @@
 		"start-server-and-test": "2.0.11",
 		"storybook": "8.6.12",
 		"storybook-addon-misskey-theme": "github:misskey-dev/storybook-addon-misskey-theme",
-		"vite-node": "3.1.1",
 		"vite-plugin-turbosnap": "1.0.3",
 		"vitest": "3.1.1",
 		"vitest-fetch-mock": "0.4.5",

packages/frontend/vite-node.config.ts

@@ -1,3 +0,0 @@
-import { defineConfig } from 'vite';
-
-export default defineConfig({});