Update LogisticRegression documentation (#3677)

Closes #3671

Authors:
  - Victor Lafargue (https://github.com/viclafargue)

Approvers:
  - Dante Gama Dessavre (https://github.com/dantegd)
  - John Zedlewski (https://github.com/JohnZed)

URL: #3677

python/cuml/linear_model/logistic_regression.pyx

@@ -169,8 +169,6 @@ class LogisticRegression(Base,
     -----------
     coef_: dev array, dim (n_classes, n_features) or (n_classes, n_features+1)
         The estimated coefficients for the linear regression model.
-        Note: this includes the intercept as the last column if fit_intercept
-        is True
     intercept_: device array (n_classes, 1)
         The independent term. If `fit_intercept` is False, will be 0.