fix: Remove dotenv since not used

Author: JanefrancessC

chat-app/backend/index.js

@@ -1,11 +1,9 @@
 import express from "express";
 import cors from "cors";
-import dotenv from "dotenv";
 
 const app = express();
 app.use(cors());
 app.use(express.json());
-app.use(dotenv())
 
 const port = process.env.PORT || 3000;
 let nextMessageId = 1;

chat-app/backend/package.json

@@ -13,7 +13,6 @@
   },
   "dependencies": {
     "cors": "^2.8.6",
-    "dotenv": "^17.4.2",
     "express": "^5.2.1"
   },
   "devDependencies": {