remove unused import (#2956)

Author: david-cortes-intel

examples/sklearnex/logistic_regression_spmd.py

@@ -21,7 +21,6 @@
 import numpy as np
 from mpi4py import MPI
 from scipy.special import expit
-from sklearn.datasets import make_classification
 from sklearn.metrics import accuracy_score
 from sklearn.model_selection import train_test_split