Remove unused directories

1 job for master in 11 seconds (queued for 6 seconds)
Status Name Job ID Coverage
  Build And Release
failed build_and_release #343639


Name Stage Failure
build_and_release Build And Release
mktexfmt [INFO]: /root/.texlive2020/texmf-var/web2c/pdftex/pdflatex.fmt installed.
mktexfmt [INFO]: successfully rebuilt formats: 1
mktexfmt [INFO]: not selected formats: 59
mktexfmt [INFO]: total formats: 60
mktexfmt [INFO]: exiting with status 0
make[1]: *** anleitung-netzwerkzugriff: No such file or directory. Stop.
make: *** [Makefile:23: "./anleitung-netzwerkzugriff"] Error 2
Cleaning up file based variables
ERROR: Job failed: exit code 1