docstring update

Author: Matt Sokoloff

labelbox/schema/dataset.py

@@ -237,8 +237,6 @@ def export_data_rows(self, timeout_seconds=120):
 
         Args:
             timeout_seconds (float): Max waiting time, in seconds.
-            as_dict (bool): Whether or not to return the data as a dictionary as opposed to a list of DataRow objects.
-                    This is recommended for exports larger than 100k data rows to reduce memory usage and load time.
         Returns:
             Generator that yields DataRow objects belonging to this dataset.
         Raises: