MAINT remove deprecated code from preprocessing

Author: larsmans

sklearn/preprocessing/__init__.py

@@ -22,7 +22,6 @@
 from .label import MultiLabelBinarizer
 
 from .imputation import Imputer
-from ._weights import balance_weights
 
 __all__ = [
     'Binarizer',
@@ -37,7 +36,6 @@
     'StandardScaler',
     'add_dummy_feature',
     'PolynomialFeatures',
-    'balance_weights',
     'binarize',
     'normalize',
     'scale',

sklearn/preprocessing/_weights.py

@@ -1,7 +1,5 @@
 import numpy as np
 
-from sklearn.utils import deprecated
-
 
 def _balance_weights(y):
     """Compute sample weights such that the class distribution of y becomes
@@ -25,9 +23,3 @@ def _balance_weights(y):
     weights *= bins.min()
 
     return weights
-
-
-@deprecated('balance_weights is an internal function and will be removed '
-            'in 0.16')
-def balance_weights(y):
-    return _balance_weights(y)

sklearn/preprocessing/label.py

@@ -270,12 +270,6 @@ def __init__(self, neg_label=0, pos_label=1, sparse_output=False):
         self.pos_label = pos_label
         self.sparse_output = sparse_output
 
-    @property
-    @deprecated("Attribute `multilabel` was renamed to `multilabel_` in "
-                "0.14 and will be removed in 0.16")
-    def multilabel(self):
-        return self.multilabel_
-
     @property
     @deprecated("Attribute indicator_matrix_ is deprecated and will be "
                 "removed in 0.17. Use 'y_type_ == 'multilabel-indicator'' "