Removed state from neuralnetwork

decoder/src/Beam.cpp

decoder/src/Decoder.cpp

reading_machine/include/Classifier.hpp

reading_machine/src/Classifier.cpp

reading_machine/src/ReadingMachine.cpp

torch_modules/include/ModularNetwork.hpp

torch_modules/include/NeuralNetwork.hpp

torch_modules/include/RandomNetwork.hpp

torch_modules/include/Submodule.hpp

torch_modules/src/ModularNetwork.cpp

torch_modules/src/RandomNetwork.cpp

trainer/src/Trainer.cpp