chore: remove vue devtools (#7108)

#### What type of PR is this?

/area ui
/kind cleanup

#### What this PR does / why we need it:

移除 UI 项目内置的 Vue Devtools，后续建议使用浏览器插件代替：https://chromewebstore.google.com/detail/vuejs-devtools/nhdogjmejiglipccpnnnanhbledajbpd

#### Does this PR introduce a user-facing change?

```release-note
None
```

ui/package.json

@@ -152,7 +152,6 @@
     "vite-plugin-html": "^3.2.2",
     "vite-plugin-pwa": "^0.20.0",
     "vite-plugin-static-copy": "^1.0.6",
-    "vite-plugin-vue-devtools": "^7.3.8",
     "vitest": "^0.34.1",
     "vue-tsc": "^2.1.6"
   },