fix: double db log

Author: rohitbytecode

src/config/db.js

@@ -3,7 +3,6 @@ import mongoose from 'mongoose';
 const connectDB = async () => {
   try {
     await mongoose.connect(process.env.MONGO_URI);
-    console.log('MongoDB connected');
   } catch (error) {
     console.error('DB connection failed', error);
     process.exit(1);