chore(2025): delete unused deps

Author: ryoppippi

2025/package.json

@@ -23,7 +23,6 @@
   },
   "devDependencies": {
     "@astrojs/ts-plugin": "^1.10.4",
-    "astro-og-image": "^1.0.7",
     "sharp": "^0.33.5",
     "typescript": "^5.7.3",
     "unplugin-macros": "^0.16.0"