Update how-to-deploy-self-hosted-gateway-kubernetes-opentelemetry.md

Author: tomkerkhove

articles/api-management/how-to-deploy-self-hosted-gateway-kubernetes-opentelemetry.md

@@ -33,8 +33,6 @@ You learn how to:
 
 [OpenTelemetry](https://opentelemetry.io/) is a set of open-source tools and frameworks for logging, metrics, and tracing in a vendor-neutral way.
 
-[!INCLUDE [preview](./includes/preview/preview-callout-self-hosted-gateway-opentelemetry.md)]
-
 The self-hosted gateway can be configured to automatically collect and send metrics to an [OpenTelemetry Collector](https://opentelemetry.io/docs/concepts/components/#collector). This allows you to bring your own metrics collection and reporting solution for the self-hosted gateway.
 
 > [!NOTE]