Load env from file
We should only be able to load envs from file through the rail,schedule and malfunction generators.
Thus we should remove the load from file in: rail_env_utils.py
and flatland_envs_rail_env_utils.py
We should only be able to load envs from file through the rail,schedule and malfunction generators.
Thus we should remove the load from file in: rail_env_utils.py
and flatland_envs_rail_env_utils.py