Remove toolchain stuff from README

README.md

@@ -3,81 +3,5 @@ A collection of package recipes for Redox.
 
 [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE)
 
-## Setup
-
-### Ubuntu and other Debian based systems
-
-To install the toolchain, run the following commands:
-```bash
-# Get the Redox OS APT key
-sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys AA12E97F0881517F
-
-# Install the APT repository
-sudo add-apt-repository 'deb https://static.redox-os.org/toolchain/apt /'
-
-# Update your package lists
-sudo apt update
-
-# Install the cross compiler
-sudo apt install x86-64-unknown-redox-gcc
-```
-
-### Arch Linux
-To install the toolchain, run the following commands:
- ```bash
- # Clone libc
- git clone --recursive git@github.com:redox-os/libc
-
- # Go to the packages
- cd libc/packages/arch
-
- # Start with binutils
- cd binutils
- makepkg -si
-
- # Then autoconf
- cd ../autoconf
- makepkg -si
-
- # Then gcc-freestanding
- cd ../gcc-freestanding
- makepkg -si
-
- # Then newlib
- cd ../newlib
- makepkg -si
-
- # Finally gcc
- cd ../gcc
- makepkg -si
- ```
-
-### Gentoo Linux
-```bash
- # Clone libc
- git clone --recursive git@github.com:redox-os/libc
-
- # Install needed tools
- emerge -a =sys-devel/autoconf-2.64 =sys-devel/automake-1.11.6-r2
-
- # Run the setup script
- cd libc
- PREFIX=<your preferred toolchain prefix> ./setup.sh all
-
- # Add the tools to your path
- export PATH=$PATH:<toolchain prefix>/bin
-```
-
-### Other distros/Mac OS X
-To install the toolchain, run the following commands:
- ```bash
- # Clone libc
- git clone --recursive git@github.com:redox-os/libc
-
- # Run the setup script
- cd libc
- ./setup.sh all
-
- # Add the tools to your path
- export PATH=$PATH:/path/to/libc/build/prefix/bin
- ```
+In order for this repository to be useful, it must be set up with an environment
+from the [Redox repository](https://gitlab.redox-os.org/redox-os/redox).