fix(grfn/system): Don't use whitby as substituter, only builder r/4318

I've found that this is the best way to convince nix to actually prefer
cache.nixos.org - it tries to use whitby as a builder, then if the store
path is already built it just downloads it.

Change-Id: I4c78079bfb0013155feb2d39f60d99779123109e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5972
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI

0 files changed, 0 insertions, 0 deletions