New comment by dkwo on void-packages repository

https://github.com/void-linux/void-packages/pull/34030#issuecomment-967916355

Comment:
>     * the resulting pkg includes a lot of useless stuff that comes with the distribution; we'll have to clean up. E.g. SAGE_ROOT/upstream is definitely unnecessary (1.2G); possibly SAGE_ROOT/pkgs or at least SAGE_ROOT/pkgs/sagemath-standard/build (2.6G).

Definitely :)
`Size required on disk:        7300MB `