new antmaze generate and dataset

Delete antmaze_dataset.py

Delete antmaze-medium-play-v2_easy_dataset.npy

Delete antmaze-large-play-v2_hard_dataset.npy

Delete antmaze-large-play-v2_medium_dataset.npy

Delete antmaze-medium-play-v2_hard_dataset.npy

Delete antmaze-medium-play-v2_medium_dataset.npy

Delete antmaze-large-play-v2_easy_dataset.npy

Antmaze dataset and generation script

dataset and generate script

initial commit