remove old foss courses

old_FOSS/README.md

-A compiled PDF of the latest major revision can be downloaded [here](http://chymera.eu/pres/ld_foss/pres.pdf).
-
-A video of a presentation held with [an older revision](https://bitbucket.org/TheChymera/foss/src/6b71ced7ee60?at=master) of these slides, can be seen [here](https://www.youtube.com/watch?v=jH4h7MsoyM8).
-
-# “Free and Open Source Software”
-Slides for the opening lecture of the ETHZ/UZH “Linux Days” - organized by [project21] TheAlternative.
-
-###This document presents:
-
-* a brief definition of Free and Open Source Software (FOSS).
-* a short history of software freedom
-* the major FOSS concepts, and corresponding licenses
-* the advantages of FOSS
-* some of the most prominent FOSS packages
-* the nature of the FOSS user and developer base
-
-###License: [Creative Commons Attribution-ShareAlike 4.0 International](http://creativecommons.org/licenses/by-sa/4.0/)

old_FOSS/bib.bib

-% Encoding: UTF-8
-
-@Electronic{oss,
-  author       = {{Open Source Initiative}},
-  title        = {{The Open Source Definition}},
-  howpublished = {\href{http://web.archive.org/web/20160817171310/https://opensource.org/docs/osd}{opensource.org/docs/osd (via the Internet Archive)}},
-  organization = {Open Source Initiative},
-  url          = {http://web.archive.org/web/20160817171310/https://opensource.org/docs/osd},
-  owner        = {chymera},
-  timestamp    = {2016.10.04},
-}
-@Electronic{linux,
-  author       = {Jonathan Corbet and
-    Greg Kroah-Hartman
-    },
-  title        = {{2017 Linux Kernel Development Report}},
-  howpublished = {\href{https://www.linuxfoundation.org/2017-linux-kernel-report-landing-page/}{www.linuxfoundation.org/2017-linux-kernel-report-landing-page/ (via the Linux Foundation)}},
-  organization = {Linux Foundation},
-  url          = {https://go.pardot.com/l/6342/2017-10-24/3xr3f2/6342/188781/Publication_LinuxKernelReport_2017.pdf},
-  owner        = {chymera},
-  timestamp    = {2017.9.30},
-}
-
-@Comment{jabref-meta: databaseType:bibtex;}

old_FOSS/cleanup.sh

-#!/usr/bin/env bash
-
-rm -rf *.aux *.bbl *.blg *.fdb_latexmk *.fls *.log _minted-slides *.nav *.out *.pgf pythontex-files-* *.pytxcode *.snm *.toc *.vrb

old_FOSS/code.c

-#include <stdio.h>
-#define N 10 //Larger N for slower learners
-
-int main()
-{
-    int i;
-
-    puts("Repeat after me:");
-
-    for (i = 0; i < N; i++)
-    {
-        puts("FOSS is also great for non-programmers!");
-    }
-
-    return 0;
-}

old_FOSS/compile.sh

-#!/usr/bin/env bash
-
-pdflatex -shell-escape slides.tex
-bibtex slides
-pdflatex -shell-escape slides.tex
-pdflatex -shell-escape slides.tex

old_FOSS/data/web_os.csv

-Name,percent
-Unix,71.0
-Windows,29.0

old_FOSS/data/web_servers.csv

-Name,percent
-Apache,36.1
-Nginx,32.5
-Cloudflare Server,16.0
-Microsoft-IIS,7.7
-other,7.7