Revert changes to MILP dataset download made in PR#317

[rgsl888prabhu]

Describe the bug
Revert changes to MILP dataset download made in PR #317

[tmckayus]

@rgsl888prabhu does this still need to be reverted? If the code from 317 is working still can we close this issue?

[rgsl888prabhu]

Yes, lets close this.