Cosmetic fixes.

From: Fabian Pedregosa <fabian.pedregosa@inria.fr>

git-svn-id: https://scikit-learn.svn.sourceforge.net/svnroot/scikit-learn/trunk@543 22fbfee3-77ab-4535-9bad-27d1bd3bc7d8

scikits/learn/ann/__init__.py

@@ -10,5 +10,3 @@ Each of {mlp,srn,rbf}.py contains a class to define, train and test a network,
 along with a main() functions that demos on a toy dataset.
 """
 
-__all__ = ['mlp','srn','rbf']
-