mhdi [1] filed a deletion request for texlive-most-doc [2]: Maintainer comment: There is now a package `texlive-doc` in `extra`, so you should install that instead of this.
[1] https://aur.archlinux.org/account/mhdi/ [2] https://aur.archlinux.org/pkgbase/texlive-most-doc/
