[no ci] fix doc

Author: MacHu-GWU

pynamodb_mate/patterns/large_attribute/impl.py

@@ -190,8 +190,6 @@ def clean_up_created_s3_object_when_update_dynamodb_item_failed(
         This method can clean up the new S3 object.
 
         :param s3_client: ``boto3.client("s3")`` object.
-        :param old_model: the old model object before updating it, we need this
-            to figure out whether the old S3 object got changed.
         """
         s3_uri_list = list()
         for action in self.actions: