Move uninstall_command to Clusters::Concerns::ApplicationCore

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/276162

app/models/clusters/concerns/application_core.rb

@@ -62,6 +62,14 @@ module Clusters
           end
         end
 
+        def uninstall_command
+          helm_command_module::DeleteCommand.new(
+            name: name,
+            rbac: cluster.platform_kubernetes_rbac?,
+            files: files
+          )
+        end
+
         def prepare_uninstall
           # Override if your application needs any action before
           # being uninstalled by Helm

app/models/clusters/concerns/application_data.rb

@@ -3,14 +3,6 @@
 module Clusters
   module Concerns
     module ApplicationData
-      def uninstall_command
-        helm_command_module::DeleteCommand.new(
-          name: name,
-          rbac: cluster.platform_kubernetes_rbac?,
-          files: files
-        )
-      end
-
       def repository
         nil
       end