Merge pull request #94 from fish-pace/minimize-open-datatree-calls

minor

Author: eeholmes

examples/docs_4_icesat2.ipynb

@@ -382,7 +382,6 @@
     "icesat2_atl21 = {\n",
     "    'xarray_open': 'dataset',\n",
     "    'merge': ['/', '/monthly'],\n",
-    "    'open_kwargs': {'chunks': {}, 'engine': 'h5netcdf', 'decode_timedelta': False, 'phony_dims': 'sort'},\n",
     "    'coords': {'lat': 'grid_lat', 'lon': 'grid_lon'},\n",
     "    'set_coords': True,\n",
     "}\n",