New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/27096#issuecomment-743530740

Comment:
On 2020-12-11 15:47:53-0800, 4ricci <notifications@github.com> wrote:
> If the default alternative is executed, then it will only work if
> the package is the default for that group, which is not guaranteed.
> I wonder why all the packages having this issue are NTP daemons.
> You can view, comment on, or merge this pull request online at:

Thanks,

I recalled I intended to fix this times ago but life carries me on.

Would you please split the change to one commit per packages?