shorter, i'm not sure we necessarily need people upgrading in all combinations of possible orders anyway, lmk if i'm wrong

Author: dwight

source/release-notes/2.2.txt

@@ -108,11 +108,6 @@ Use the following procedure to upgrade a sharded cluster:
 
 - re-enable the balancer.
 
-If your cluster uses authentication, you must upgrade the components in
-the order above. If your cluster does not use authentication, you can
-upgrade the mongos instances, config servers, and shards in any order;
-however, always turn of the balancer during the upgrade process.
-
 .. note::
 
    Balancing is not currently supported in *mixed* 2.0.x and 2.2.0