bug#24520: 25.1.50; calccard.tex has somewhat unclear licensing

[Eli Zaretskii]

> From: Richard Stallman <rms@gnu.org>
> CC: 24520@debbugs.gnu.org
> Date: Sat, 12 Nov 2016 17:28:23 -0500
> 
>   > One possibility would be to replace these with the English text, as I
>   > did for the refcards written in English, and let the translators to
>   > translate this in their free time.
> 
> Please do that.

Thanks, done, and I'm closing this bug report.