Rename StackPointCloud to NKS (#18437)

StackPointCloud is now NetApp Kubernetes Service (NKS). Also add On-prem checkmark to NKS.

Author: allir

content/en/docs/setup/_index.md

@@ -93,6 +93,7 @@ The following production environment solutions table lists the providers and the
 | [Kublr](https://kublr.com/)        |✔ | ✔  |✔       |✔  |✔ |✔ |
 | [Microsoft Azure](https://azure.microsoft.com)    |  [Azure Kubernetes Service (AKS)](https://azure.microsoft.com/en-us/services/kubernetes-service/)     |  |     |        |    |
 | [Mirantis Cloud Platform](https://www.mirantis.com/software/kubernetes/)    |       |  | ✔ |  |    |
+| [NetApp Kubernetes Service (NKS)](https://cloud.netapp.com/kubernetes-service) | ✔ | ✔ | ✔ |  |  |
 | [Nirmata](https://www.nirmata.com/)          |              |   ✔     | ✔            |      |          |
 | [Nutanix](https://www.nutanix.com/en)         | [Nutanix Karbon](https://www.nutanix.com/products/karbon)             | [Nutanix Karbon](https://www.nutanix.com/products/karbon)       |             |      | [Nutanix AHV](https://www.nutanix.com/products/acropolis/virtualization)         |
 | [OpenNebula](https://www.opennebula.org)          |[OpenNebula Kubernetes](https://marketplace.opennebula.systems/docs/service/kubernetes.html)              |        |            |      |   |
@@ -102,7 +103,6 @@ The following production environment solutions table lists the providers and the
 | [Pivotal](https://pivotal.io/) | | [Enterprise Pivotal Container Service (PKS)](https://pivotal.io/platform/pivotal-container-service) | [Enterprise Pivotal Container Service (PKS)](https://pivotal.io/platform/pivotal-container-service)           |      |          |
 | [Platform9](https://platform9.com/)         | [Platform9 Managed Kubernetes](https://platform9.com/managed-kubernetes/)             |       | [Platform9 Managed Kubernetes](https://platform9.com/managed-kubernetes/)            |  ✔    |  ✔    |   ✔
 | [Rancher](https://rancher.com/)         |              |   [Rancher 2.x](https://rancher.com/docs/rancher/v2.x/en/)     |             |  [Rancher Kubernetes Engine (RKE)](https://rancher.com/docs/rke/latest/en/)    |          | [k3s](https://k3s.io/)
-| [StackPoint](https://stackpoint.io/)          | ✔            |  ✔      |             |      |          |
 | [Supergiant](https://supergiant.io/)         |              |✔        |             |      |          |
 | [SUSE](https://www.suse.com/)        |              | ✔       |             |      |          |
 | [SysEleven](https://www.syseleven.io/)         | ✔             |        |             |      |          |