This reverts commit 4f1689f254.
4f1689f254
@ -36,7 +36,7 @@ Development instructions
Configure Nix channels:
```shell
nix-channel --add https://nixbld.m-labs.hk/channel/custom/artiq/fast/artiq-fast
nix-channel --add https://nixbld.m-labs.hk/channel/custom/artiq/fast-beta/artiq-fast
nix-channel --update
```