Make k8s namespace cleanup method public

tooling/lib/tooling/kubernetes_client.rb

@@ -35,6 +35,19 @@ def cleanup_review_app_namespaces(created_before:, wait: true)
       delete_namespaces_by_exact_names(resource_names: namespaces, wait: wait)
     end
 
+    def delete_namespaces_by_exact_names(resource_names:, wait:)
+      command = [
+        'delete',
+        'namespace',
+        '--now',
+        '--ignore-not-found',
+        %(--wait=#{wait}),
+        resource_names.join(' ')
+      ]
+
+      run_command(command)
+    end
+
     private
 
     def delete_by_selector(release_name:, wait:)
@@ -74,19 +87,6 @@ def delete_by_exact_names(resource_names:, wait:, resource_type: nil)
       run_command(command)
     end
 
-    def delete_namespaces_by_exact_names(resource_names:, wait:)
-      command = [
-        'delete',
-        'namespace',
-        '--now',
-        '--ignore-not-found',
-        %(--wait=#{wait}),
-        resource_names.join(' ')
-      ]
-
-      run_command(command)
-    end
-
     def delete_by_matching_name(release_name:)
       resource_names = raw_resource_names
       command = [