Update Kosmos cluster creation documentation (#4472)

Author: bene2k1

pages/kubernetes/how-to/create-kosmos-cluster.mdx

@@ -42,13 +42,7 @@ Kubernetes Kosmos provides an alternative to a classic [Kubernetes Kapsule](/kub
         </Message>
     * Specify the Kubernetes **version** for your cluster.
 4. Provide a **name** for the cluster. Optionally, you can add a description and tags for better organization.
-5. Configure the **Private Network** for the cluster to ensure secure and isolated network communication. Each cluster is auto-configured with a /22 IP subnet. Click **Select Private Network** to:
-    * Attach an existing Private Network (VPC) within the same Availability Zone from the drop-down menu.
-    * Attach a new Private Network to the cluster.
-    <Message type="important">
-      The Private Network cannot be detached, and the cluster cannot be moved to another Private Network post-creation.
-    </Message>
-6. Click **Configure pools** to proceed.
+5. Click **Configure pools** to proceed.
 
 ## Pool configuration
 
@@ -63,10 +57,6 @@ This section outlines the settings for your cluster pools. You can configure as
         <Message type="tip">
           Unsure about the autoheal feature? [Learn more about autoheal.](/kubernetes/concepts/#autoheal)
         </Message>
-    * Enable full isolation, if required.
-        <Message type="tip">
-          Need more information on full isolation? [Learn more about full isolation.](/kubernetes/reference-content/secure-cluster-with-private-network/#what-is-the-difference-between-controlled-isolation-and-full-isolation)
-        </Message>
   * For **multi-cloud** pools:
     * Specify the external nodes to be added to the pool.
     <Message type="important">
@@ -85,4 +75,4 @@ This section outlines the settings for your cluster pools. You can configure as
     <Message type="tip">
       To modify any element, click the <Icon name="edit" /> **Edit** icon next to the respective configuration component.
     </Message>
-2. Click **Create cluster** to deploy your cluster. Once deployment is complete, the cluster appears in the clusters list.
+2. Click **Create cluster** to deploy your cluster. Once deployment is complete, the cluster appears in the clusters list.