remove duplicate data

Cora_Preprocessing/cora.py

Cora_Preprocessing/cora_statistics.txt

Cora_Preprocessing/get_nodes.py

Cora_Preprocessing/get_subgraph.py

Cora_Preprocessing/graph.pkl

Cora_Preprocessing/graph.txt

Cora_Preprocessing/initialize.py

Cora_Preprocessing/normal_random_init.txt

Cora_Preprocessing/test_cora.pkl

Cora_Preprocessing/uniform_random_init.txt

EP/Cora_node_classification/cora_data/README

EP/Cora_node_classification/cora_data/cora.cites

EP/Cora_node_classification/cora_data/cora.content

EP/Cora_node_classification/cora_data/cora_small.content

EP/Cora_node_classification/initialize.py

EP/Cora_node_classification/nc_100_uniform.txt

EP/Cora_node_classification/nc_emb_uniform_m20_10000.txt