Update aiEngine.js

aiEngine.js

@@ -14,10 +14,10 @@ try {
 const bedrockClient = new BedrockRuntimeClient({
     region: process.env.AWS_REGION || "us-east-1",
     requestHandler: new NodeHttpHandler({ http2Handler: undefined }),
-    credentials: {
+  /*  credentials: {
         accessKeyId: process.env.AWS_ACCESS_KEY_ID,
         secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
-    }
+    } */
 });
 
 // --- AZURE OPENAI CLIENT (Fixed Initialization) ---