New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/48675#discussion_r1487093082

Comment:
void has had `grub>=2.0` for [12 years](https://github.com/void-linux/void-packages/commit/4defb15ca72baa444602f59c533ed3d4f0a79876), that's probably not necessary.