made some updates

kerchunk/grib2.py

@@ -684,11 +684,6 @@ def extract_dataset_chunk_index(
     The coordinate vars for each dataset will be used for indexing.
     Datatrees generated by grib_tree have some nice properties which allow a denser index.
 
-    :param dset: a xarray dataset or datatree node
-    :param ref_store: the zarr store dictionary backing the dataset/datatree
-    :param grib: boolean for treating coordinates as grib levels
-    :return: a pandas dataframe of indexed chunks
-
     Parameters
     ----------
     dset : Union["datatree.DataTree", "xr.Dataset"]
@@ -787,9 +782,6 @@ def extract_datatree_chunk_index(
     """
     Recursive method to iterate over the data tree and extract the data variable chunks with index metadata
 
-    :param grib_tree: the grib_tree output for a single grib file
-    :return: the kerchunk index dataframe
-
     Parameters
     ----------
     dtree : datatree.DataTree