Update README.md

Author: krzjoa

README.md

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 * [PyToune](https://github.com/GRAAL-Research/pytoune) - A Keras-like framework and utilities for PyTorch.
 * [skorch](https://github.com/dnouri/skorch) - A scikit-learn compatible neural network library that wraps pytorch. <img height="20" src="img/sklearn_big.png" alt="sklearn"> <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">
 * [PyTorchNet](https://github.com/pytorch/tnt) - An abstraction to train neural networks. <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">
-* [Aorun](https://github.com/ramon-oliveira/aorun) - Intend to implement an API similar to Keras with PyTorch as backend. <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">
 * [pytorch_geometric](https://github.com/rusty1s/pytorch_geometric) - Geometric Deep Learning Extension Library for PyTorch. <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">
 * [Catalyst](https://github.com/catalyst-team/catalyst) - High-level utils for PyTorch DL & RL research. <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">