refactor: use the built-in max/min to simplify the code

[moveyield]

Closes #???

Description

In Go 1.21, the standard library includes built-in max/min function, which can greatly simplify the code.

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[chasefleming]

Thanks!

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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