New comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/15889#issuecomment-580381446

Comment:
> removed them with the post_install method

Good.

Still don't run: Could not find 'ruby-progressbar' (>= 1.7) among 52 total gem(s) (Gem::MissingSpecError).

Please fix rubocop's commit title.