some cosmetic commits and delete duplicate files

Author: jaquesgrobler

doc/modules/sgd.rst

@@ -162,7 +162,6 @@ further information.
  - :ref:`example_linear_model_plot_sgd_weighted_samples.py`
  - :ref:`example_svm_plot_separating_hyperplane_unbalanced.py` (See the `Note`)
 
-
 Regression
 ==========
 

examples/linear_model/plot_sgd_weighted_classes.py

@@ -58,12 +58,10 @@
     pl.scatter(X[:, 0], X[:, 1], c=Y, cmap=pl.cm.Paired)
     pl.xlabel('Sepal length')
     pl.ylabel('Sepal width')
-
     pl.xlim(xx.min(), xx.max())
     pl.ylim(yy.min(), yy.max())
     pl.xticks(())
     pl.yticks(())
-
     pl.title(titles[i])
 
 pl.show()