Grafana Cloud uses Mimir now, so remove Grafana Cloud as hosted service in documents (#4809)

* Grafana Cloud uses Mimir, for of Cortex, now

Signed-off-by: Alvin Lin <[email protected]>

* Improve doc

Signed-off-by: Alvin Lin <[email protected]>
Signed-off-by: Alex Le <[email protected]>

Author: alvinlin123

README.md

@@ -162,12 +162,9 @@ in the [Weave Cloud documentation](https://www.weave.works/docs/cloud/latest/ove
 
 [Instrumenting Your App: Best Practices](https://www.weave.works/docs/cloud/latest/tasks/monitor/best-instrumenting/)
 
-### Grafana Cloud
-
-The Cortex project was started by Tom Wilkie (Grafana Labs' VP Product) and Julius Volz (Prometheus' co-founder) in June 2016. Employing 6 out of 8 maintainers for Cortex enables [Grafana Labs](https://grafana.com/) to offer Cortex-as-a-service with exceptional performance and reliability. As the creators of [Grafana](https://grafana.com/oss/grafana/), [Loki](https://grafana.com/oss/loki/), and [Tempo](https://grafana.com/oss/tempo/), Grafana Labs can offer you the most wholistic Observability-as-a-Service stack out there.
-
-For further information see Grafana Cloud [documentation](https://grafana.com/docs/grafana-cloud/), [tutorials](https://grafana.com/tutorials/), [webinars](https://grafana.com/videos/), and [KubeCon talks](https://grafana.com/categories/cortex/). Get started today and [sign up here](https://grafana.com/products/cloud/).
-
 ### Amazon Managed Service for Prometheus (AMP)
 
 [Amazon Managed Service for Prometheus (AMP)](https://aws.amazon.com/prometheus/) is a Prometheus-compatible monitoring service that makes it easy to monitor containerized applications at scale. It is a highly available, secure, and managed monitoring for your containers. Get started [here](https://console.aws.amazon.com/prometheus/home). To learn more about the AMP, reference our [documentation](https://docs.aws.amazon.com/prometheus/latest/userguide/what-is-Amazon-Managed-Service-Prometheus.html) and [Getting Started with AMP blog](https://aws.amazon.com/blogs/mt/getting-started-amazon-managed-service-for-prometheus/).
+
+## History of Cortex
+The Cortex project was started by Tom Wilkie (Grafana Labs' VP Product) and Julius Volz (Prometheus' co-founder) in June 2016.

docs/_index.md

@@ -154,13 +154,8 @@ in the [Weave Cloud documentation](https://www.weave.works/docs/cloud/latest/ove
 
 [Instrumenting Your App: Best Practices](https://www.weave.works/docs/cloud/latest/tasks/monitor/best-instrumenting/)
 
-### Grafana Cloud
-
-The Cortex project was started by Tom Wilkie (Grafana Labs' VP Product) and Julius Volz (Prometheus' co-founder) in June 2016. Employing 6 out of 8 maintainers for Cortex enables [Grafana Labs](https://grafana.com/) to offer Cortex-as-a-service with exceptional performance and reliability. As the creators of [Grafana](https://grafana.com/oss/grafana/), [Loki](https://grafana.com/oss/loki/), and [Tempo](https://grafana.com/oss/tempo/), Grafana Labs can offer you the most wholistic Observability-as-a-Service stack out there.
-
-For further information see Grafana Cloud [documentation](https://grafana.com/docs/grafana-cloud/), [tutorials](https://grafana.com/tutorials/), [webinars](https://grafana.com/videos/), and [KubeCon talks](https://grafana.com/categories/cortex/). Get started today and [sign up here](https://grafana.com/products/cloud/).
-
 ### Amazon Managed Service for Prometheus (AMP)
 [Amazon Managed Service for Prometheus (AMP)](https://aws.amazon.com/prometheus/) is a Prometheus-compatible monitoring service that makes it easy to monitor containerized applications at scale. It is a highly available, secure, and managed monitoring for your containers. Get started [here](https://console.aws.amazon.com/prometheus/home). To learn more about the AMP, reference our [documentation](https://docs.aws.amazon.com/prometheus/latest/userguide/what-is-Amazon-Managed-Service-Prometheus.html) and [Getting Started with AMP blog](https://aws.amazon.com/blogs/mt/getting-started-amazon-managed-service-for-prometheus/).
 
-
+## History of Cortex
+The Cortex project was started by Tom Wilkie (Grafana Labs' VP Product) and Julius Volz (Prometheus' co-founder) in June 2016.