chore: remove unused packages

Author: hi-ogawa

playground/ssr-react/__tests__/ssr-react.spec.ts

@@ -11,9 +11,8 @@ import {
 } from '~utils'
 
 test('/env', async () => {
-  await untilBrowserLogAfter(() => page.goto(url + `/env`), 'hydrated')
+  await untilBrowserLogAfter(() => page.goto(url + '/env'), 'hydrated')
 
-  await page.pause()
   expect(await page.textContent('h1')).toMatch('default message here')
 
   // raw http request

playground/ssr-react/package.json

@@ -13,9 +13,6 @@
     "react-router-dom": "^6.28.0"
   },
   "devDependencies": {
-    "@vitejs/plugin-react": "workspace:*",
-    "compression": "^1.7.5",
-    "express": "^4.21.1",
-    "serve-static": "^1.16.2"
+    "@vitejs/plugin-react": "workspace:*"
   }
 }