New issue by dkwo on void-packages repository

https://github.com/void-linux/void-packages/issues/28051

Description:
```
$ xuname
Void 5.10.8_1 x86_64-musl GenuineIntel uptodate hold rrnDFFF
```
Since today's update, this fails for me
```
\documentclass{article}
\usepackage{amsmath,amssymb}

\begin{document}
$\mathfrak k$
\end{document}
```
with
```
$ pdflatex test
This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/VoidLinux) (preloaded format=pdflatex)
 restricted \write18 enabled.
entering extended mode
(./test.tex
LaTeX2e <2020-10-01> patch level 2
L3 programming layer <2020-12-03> xparse <2020-03-03>
(/usr/share/texmf-dist/tex/latex/base/article.cls
Document Class: article 2020/04/10 v1.4m Standard LaTeX document class
(/usr/share/texmf-dist/tex/latex/base/size10.clo))
(/usr/share/texmf-dist/tex/latex/amsmath/amsmath.sty
For additional information on amsmath, use the `?' option.
(/usr/share/texmf-dist/tex/latex/amsmath/amstext.sty
(/usr/share/texmf-dist/tex/latex/amsmath/amsgen.sty))
(/usr/share/texmf-dist/tex/latex/amsmath/amsbsy.sty)
(/usr/share/texmf-dist/tex/latex/amsmath/amsopn.sty))
(/usr/share/texmf-dist/tex/latex/amsfonts/amssymb.sty
(/usr/share/texmf-dist/tex/latex/amsfonts/amsfonts.sty))
(/usr/share/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def) (./test.aux)
(/usr/share/texmf-dist/tex/latex/amsfonts/umsa.fd)
(/usr/share/texmf-dist/tex/latex/amsfonts/umsb.fd)
(/usr/share/texmf-dist/tex/latex/amsfonts/ueuf.fd) [1

pdfTeX warning: pdflatex (file pdftex.map): cannot open font map file
] (./test.aux) ) </usr/share/texmf-dist/fonts/pk/ljfour/public/cm/dpi600/cmr10.
pk>
kpathsea: Running mktexpk --mfmode / --bdpi 600 --mag 1+0/600 --dpi 600 eufm10
gsftopk: fatal: map file `psfonts.map' not found.
mktexpk: don't know how to create bitmap font for eufm10.
mktexpk: perhaps eufm10 is missing from the map file.
kpathsea: Appending font creation commands to missfont.log.

!pdfTeX error: pdflatex (file eufm10): Font eufm10 at 600 not found
 ==> Fatal error occurred, no output PDF file produced!
```