New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/26609#issuecomment-731876715

Comment:
On 2020-11-22 12:10:52-0800, Johannes <notifications@github.com> wrote:
> Still work in progress, firefox builds with rust-1.48 are currently failing.
> You can view, comment on, or merge this pull request online at:
> 
>   https://github.com/void-linux/void-packages/pull/26609
> 
> -- Commit Summary --
> 
>   * rust: update to 1.47.0
>   * rust: update to 1.48.0

Would you mind to remove archs=noarch from rust-doc as well.

Thanks.