trivial: remove extraneous If

Author: kay-kim

source/reference/command/shardCollection.txt

@@ -184,7 +184,7 @@ Zone Sharding and Initial Chunk Distribution
 
 .. include:: /includes/extracts/zoned-sharding-shard-operation-chunk-distribution-with-links.rst
 
-If the ``numInitialChunks`` option has no effect if zones and zone
+The ``numInitialChunks`` option has no effect if zones and zone
 ranges have been defined for the empty collection.
 
 See :ref:`pre-define-zone-range-example` for an example.