Delete unused

[chanhosuh]

Description

Explain what you did and why, ser.

Hygiene checklist

• [ ] Changelog entry
• [ ] Everything public has a Numpy-style docstring (modules, public functions, classes, and public methods)
• [ ] Commit history is cleaned-up with minor changes squashed together and descriptive commit messages following Tim Pope's style

Cute Animal Picture

![Put a link to a cute animal picture inside the parenthesis-->]()

[github-actions[bot]]

Coverage report

The coverage rate went from 78.05% to 78.23% :arrow_up: The branch rate is 64%.

90.9% of new lines are covered.

Diff Coverage details (click to unfold)

### curvesim/network/utils.py `100%` of new lines are covered (`64.28%` of the complete file). ### curvesim/pool/cryptoswap/pool.py `100%` of new lines are covered (`90.51%` of the complete file). ### curvesim/pool/sim_interface/cryptoswap.py `100%` of new lines are covered (`84.21%` of the complete file). ### curvesim/pool/sim_interface/metapool.py `100%` of new lines are covered (`68.05%` of the complete file). ### curvesim/pool/sim_interface/pool.py `100%` of new lines are covered (`77.5%` of the complete file). ### curvesim/pool/sim_interface/raipool.py `100%` of new lines are covered (`80%` of the complete file). ### curvesim/price_data/__init__.py `50%` of new lines are covered (`43.75%` of the complete file). Missing lines: `63`