DOCS-1295: removing unneccessary step

Author: Sam Kleinman

source/tutorial/manage-sharded-cluster-config-server.txt

@@ -40,14 +40,12 @@ production.  The following process shows how to convert a test
 deployment with only one config server to production deployment with
 three config servers.
 
-#. Shut down all existing MongoDB processes. This includes:
+#. Shut down all existing MongoDB processes in the cluster. This
+   includes:
 
    - all :program:`mongod` instances or :term:`replica sets <replica set>`
      that provide your shards.
 
-   - the :program:`mongod` instance that provides your existing config
-     database.
-
    - all :program:`mongos` instances in your cluster.
 
 #. Copy the entire :setting:`dbpath` file system tree from the