New comment by ahesford on void-packages repository

https://github.com/void-linux/void-packages/pull/24357#issuecomment-676494451

Comment:
I don't mind preserving the `archs=noarch` construct in templates and disabling it, but I still think it would be nice to toggle this with an `XBPS_ALLOW_NOARCH` env var to allow people to make `noarch` packages locally for distribution.