chore: removed unused multer

package.json

@@ -57,7 +57,6 @@
     "dotenv": "^16.4.7",
     "express": "^4.0.0",
     "kysely": "^0.28.2",
-    "multer": "^1.4.5-lts.1",
     "mysql2": "^3.12.0",
     "react-is": "^18.3.1",
     "swagger-ui-express": "^5.0.1",