chores: clean side note

Author: ricolin

hack/run-tempest-tests.sh

@@ -95,7 +95,6 @@ cat /opt/stack/tempest/etc/tempest.conf
 echo "Run Tempest tests:"
 /opt/stack/data/venv/bin/tempest run -r '(^magnum_tempest_plugin)' \
     --exclude-regex '^magnum_tempest_plugin.tests.api.v1.test_cluster.ClusterTest\.(test_create_cluster_with_zero_nodes|test_create_list_sign_delete_clusters)'
-    #--exclude-regex '^magnum_tempest_plugin.tests.api.v1.test_cluster.ClusterTest.test_create_cluster_with_zero_nodes'
 popd