cleanup file, remove commented code

utils/extraction_tools.py

@@ -10,7 +10,6 @@ from urllib.error import HTTPError
 import json
 import numpy as np
 from utils.geoutils import standardize_lon180, Directions
-from utils.statistics import relative_frequency
 
 
 def get_station_info(opt_query=''):
@@ -256,10 +255,6 @@ def extract_value_stats(lonvec, latvec, data, lon=-999., lat=-999.,
                                 radius, dlon, dlat, min_valid=min_valid, max_valid=max_valid,
                                 min_angle=min_angle, max_angle=max_angle)
         # apply statistics
-        #if agg is relative_frequency:
-        #    res = relative_frequency(subset, bins=max_valid+1)
-        #else:
-        #    res = agg(subset)
         res = agg(subset)
         if res is None:
             res = default_value