Get MQTT client from sample repo

Author: PatAltimore

articles/iot-operations/connect-to-cloud/tutorial-mqtt-bridge.md

@@ -512,58 +512,22 @@ When you publish to the `tutorial/local` topic on the local Azure IoT Operations
 
 ## Deploy MQTT client
 
-To verify the MQTT bridge is working, deploy an MQTT client to the same namespace as Azure IoT Operations. In a new file named `client.yaml`, specify the client deployment:
-
-<!-- TODO: put this in the explore-iot-operations repo? -->
+To verify the MQTT bridge is working, deploy an MQTT client to the same namespace as Azure IoT Operations. 
 
 # [Bicep](#tab/bicep)
 
-Currently, bicep doesn't apply to deploy MQTT client.
+Currently, Bicep doesn't apply to deploy MQTT client.
 
 # [Kubernetes (preview)](#tab/kubernetes)
 
-```yaml
-apiVersion: v1
-kind: ServiceAccount
-metadata:
-  name: mqtt-client
-  namespace: azure-iot-operations
----
-apiVersion: v1
-kind: Pod
-metadata:
-  name: mqtt-client
-  # Namespace must match MQTT broker BrokerListener's namespace
-  # Otherwise use the long hostname: aio-broker.azure-iot-operations.svc.cluster.local
-  namespace: azure-iot-operations
-spec:
-  # Use the "mqtt-client" service account from above
-  # Otherwise create it with `kubectl create serviceaccount mqtt-client -n azure-iot-operations`
-  serviceAccountName: mqtt-client
-  containers:
-    # Mosquitto and mqttui on Alpine
-  - image: alpine
-    name: mqtt-client
-    command: ["sh", "-c"]
-    args: ["apk add mosquitto-clients mqttui && sleep infinity"]
-    volumeMounts:
-    - name: broker-sat
-      mountPath: /var/run/secrets/tokens
-    - name: trust-bundle
-      mountPath: /var/run/certs
-  volumes:
-  - name: broker-sat
-    projected:
-      sources:
-      - serviceAccountToken:
-          path: broker-sat
-          audience: aio-internal # Must match audience in BrokerAuthentication
-          expirationSeconds: 86400
-  - name: trust-bundle
-    configMap:
-      name: azure-iot-operations-aio-ca-trust-bundle # Default root CA cert
-```
+Download `client.yaml` deployment from the GitHub sample repository.
 
+> [!IMPORTANT]
+> Don't use the MQTT client in production. The client is for testing purposes only.
+
+```bash
+wget https://raw.githubusercontent.com/Azure-Samples/explore-iot-operations/main/samples/quickstarts/mqtt-client.yaml -O mqtt-client.yaml
+```
 Apply the deployment file with kubectl.
 
 ```bash