docs: update uninstallation guide

Signed-off-by: David Kwon <[email protected]>

modules/administration-guide/nav.adoc

@@ -73,6 +73,5 @@
 ** xref:upgrading-che-using-the-cli-management-tool.adoc[]
 ** xref:upgrading-che-using-the-cli-management-tool-in-restricted-environment.adoc[]
 * xref:uninstalling-che.adoc[]
-** xref:uninstalling-che-after-operatorhub-installation-using-openshift-web-console.adoc[]
-** xref:uninstalling-che-after-operatorhub-installation-using-openshift-cli.adoc[]
+** xref:uninstalling-che-after-operatorhub-installation.adoc[]
 ** xref:uninstalling-che-after-chectl-installation.adoc[]

modules/administration-guide/pages/uninstalling-che-after-chectl-installation.adoc

@@ -1,5 +1,5 @@
 :_content-type: PROCEDURE
-:navtitle: Using {prod-cli}
+:navtitle: Uninstalling {prod-short} after {prod-cli} installation
 :keywords: administration guide, uninstalling-che, uninstalling-che-after-chectl-installation
 :page-aliases: installation-guide:uninstalling-che-after-chectl-installation
 
@@ -16,13 +16,23 @@ This section describes how to uninstall an instance of {prod} that was installed
 
 .Procedure
 
+ifeval::["{project-context}" == "crw"]
+
 . Sign in to the {orch-name} cluster:
 +
 [subs="+quotes,attributes"]
 ----
 $ {orch-cli} login -u _<username>_ -p _<password>_ _<cluster_URL>_
 ----
 
+endif::[]
+
+ifeval::["{project-context}" == "che"]
+
+. Sign in to the {orch-name} cluster. See link:https://kubernetes.io/docs/tasks/access-application-cluster/access-cluster[Accessing Clusters].
+
+endif::[]
+
 . Obtain the name of the {prod-short} namespace:
 +
 [subs="+quotes,attributes"]