New review comment by icp1994 on void-packages repository

https://github.com/void-linux/void-packages/pull/38708#discussion_r949115886

Comment:
Yes that seemed weird to me but they still have it under the [`install_requires`](https://github.com/beancount/beancount/blob/2.3.5/setup.py#L80-L82) in this version so I didn't touch it.