DOCSP-24024-remove-orphanCleanupDelaySecs-update (#1558)

Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/reference/parameters.txt

@@ -4003,7 +4003,9 @@ Sharding Parameters
    shard.
 
    Before deleting the chunk during chunk migration, MongoDB waits for
-   :parameter:`orphanCleanupDelaySecs`.
+   :parameter:`orphanCleanupDelaySecs` or for in-progress queries
+   involving the chunk to complete on the shard primary, whichever is
+   longer.
 
    However, because the shard primary has no knowledge of in-progress queries
    run on the shard secondaries, queries that use the chunk but are run on