chore: remove Cloudflare Pages deployment configuration, wrangler dependency, and associated scripts.

package.json

@@ -7,8 +7,7 @@
     "build": "next build",
     "start": "next start",
     "lint": "eslint",
-    "pages:build": "npx @cloudflare/next-on-pages@1",
-    "deploy": "npm run pages:build && wrangler pages deploy"
+    "pages:build": "npx @cloudflare/next-on-pages@1"
   },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",
@@ -32,7 +31,6 @@
     "eslint-config-next": "16.1.1",
     "postcss": "^8.5.6",
     "tailwindcss": "^4",
-    "typescript": "^5",
-    "wrangler": "^3.57.1"
+    "typescript": "^5"
   }
-}
+}