New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/20392#discussion_r686175729

Comment:
Please use some form of `mv` so the directory isn't left after the build is done. something like `rmdir libs/lczero-common` then `mv ../lczero-common-${_githash} libs/lczero-common` should work.

Also, consider being specific: `_lczero_commit`