New comment by Duncaen on void-packages repository

https://github.com/void-linux/void-packages/issues/29965#issuecomment-813086622

Comment:
> > In addition, this would help to be explicit about repeated sonames and remove unnecessary duplicates.
> 
> This is a good argument for it that I hadn't thought of.

This is a better lint step (looking for duplicates) than failing on an unsorted list. If someone forgets to sort it then we have 10 PRs all trying to reorder it, affecting more lines than just adding a new soname in a random position instead of the end to avoid merge conflicts for newly added libraries.