DOCSP-2066: missed a file in previous commit

Author: kay-kim

source/tutorial/change-sharded-cluster-wiredtiger.txt

@@ -47,17 +47,9 @@ WiredTiger, refer to the appropriate procedure for each shard:
 Change Config Servers to WiredTiger
 -----------------------------------
 
-To change the storage engines of the :term:`config servers <config
-server>` of a sharded cluster, see
-:doc:`/tutorial/change-config-server-wiredtiger`.
+Starting in MongoDB 3.4, MongoDB removes support for SCCC config
+servers. Before you can upgrade your sharded clusters to 3.4, you must
+convert your config servers from SCCC to CSRS. The upgrade to CSRS
+procedure includes steps to change the config servers to use WiredTiger.
 
-.. include:: /includes/fact-config-server-storage-engine-mix.rst
-
-.. seealso:: :doc:`/tutorial/change-config-server-wiredtiger`
-
-.. class:: hidden
-
-   .. toctree::
-      :titlesonly:
-
-      /tutorial/change-config-server-wiredtiger.txt
+For details, see :v3.4:`/tutorial/upgrade-config-servers-to-replica-set`.