remove gitalk valine mermaid

package.json

@@ -30,13 +30,11 @@
     "copy-to-clipboard": "^3.3.1",
     "eslint-plugin-react-hooks": "^4.6.0",
     "feed": "^4.2.2",
-    "gitalk": "^1.7.2",
     "js-md5": "^0.7.3",
     "localStorage": "^1.0.4",
     "lodash.throttle": "^4.1.1",
     "mark.js": "^8.11.1",
     "memory-cache": "^0.2.0",
-    "mermaid": "9.2.2",
     "mongodb": "^4.6.0",
     "next": "13.3.1",
     "notion-client": "6.15.6",
@@ -56,8 +54,7 @@
     "react-tweet-embed": "~2.0.0",
     "smoothscroll-polyfill": "^0.4.4",
     "typed.js": "^2.0.12",
-    "use-ackee": "^3.0.0",
-    "valine": "^1.4.18"
+    "use-ackee": "^3.0.0"
   },
   "devDependencies": {
     "@waline/client": "^2.5.1",