Revising bluemix.net links to cloud.ibm.com (#12792)

* Revising bluemix.net links to cloud.ibm.com

* bluemix.net links are deprecated and no longer updated
* updated to new cloud.ibm.com link style

* Removing blog content

data/setup.yml

@@ -39,7 +39,7 @@ toc:
   - title: Running Kubernetes on Azure Container Service
     path: https://docs.microsoft.com/en-us/azure/container-service/container-service-kubernetes-walkthrough
   - title: Running Kubernetes on IBM Cloud Kubernetes Service
-    path: https://console.bluemix.net/docs/containers/container_index.html
+    path: https://cloud.ibm.com/docs/containers?topic=containers-container_index#container_index
 
 - title: Turn-key Cloud Solutions
   landing_page: /docs/getting-started-guides/alibaba-cloud/