Resolve "Config files should be removed from the package"

Closes #12 (closed)

bob/learn/pytorch/config/cnn/casianet_casia.py

-
-### DATA ###
-from bob.learn.pytorch.datasets import CasiaWebFaceDataset
-import torchvision.transforms as transforms
-from bob.learn.pytorch.datasets import RollChannels
-from bob.learn.pytorch.datasets import ToTensor
-from bob.learn.pytorch.datasets import Normalize
-dataset = CasiaWebFaceDataset(root_dir='/idiap/project/fargo/xpeng_prepro/CASIA-Webface-crop-128/', 
-                                     transform=transforms.Compose([
-                                       RollChannels(), # bob to skimage:  
-                                       ToTensor(),
-                                       Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5))
-                                     ])
-                                   )
-
-### NETWORK ###
-from bob.learn.pytorch.architectures import CASIANet
-number_of_classes = 10575
-dropout = 0.5
-network = CASIANet(number_of_classes, dropout)