DOCSP-41500 remove 404 link to deprecated command (#341)

Author: jwilson-mdb

source/reference/methods.txt

@@ -324,8 +324,8 @@ Collection Methods
 
    * - :method:`db.collection.getShardVersion()`
 
-     - Provides a wrapper for the database command :manual:`getShardVersion
-       </reference/command/getShardVersion/>`.
+     - Returns information regarding the state of data in a sharded 
+       cluster.
 
    * - :method:`db.collection.insertOne()`