Remove dotenv

Author: samuelim01

services/question/package-lock.json

@@ -17,7 +17,6 @@
     "amqplib": "^0.10.4",
     "body-parser": "^1.20.3",
     "cors": "^2.8.5",
-    "dotenv": "^16.4.5",
     "express": "^4.21.0",
     "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.6.2",