[utils] remove comments in the map_label function

bob/learn/pytorch/datasets/utils.py

@@ -90,18 +90,8 @@ def map_labels(raw_labels, start_index=0):
 
   for i in range(len(possible_labels)):
     l = possible_labels[i]
-    #labels[numpy.where(labels==l)[0][0]] = i + start_index
     labels[numpy.where(labels==l)[0]] = i + start_index
 
-  # -----
-  # map back to native int, resolve the problem with dataset concatenation
-  # it does: line 78 is now ok
-  # for some reason, it was not working when the type of id labels were numpy.int64 ...
-  #labels_int = []
-  #for i in range(len(labels)):
-  #  labels_int.append(labels[i].item())
-
-  #return labels_int
   return labels
 
 from torch.utils.data import Dataset