remove unused hosts.nix

lib/hosts.nix

@@ -1,35 +0,0 @@
-{ path, nixosModule }:
-let
-
-  inherit (builtins) mapAttrs attrValues attrNames readDir foldl' listToAttrs;
-
-  # grab a list of systems, with associated hostnames
-  # { x86_64-linux = [ "host1" "host2" ]; }
-  sysToHosts = mapAttrs
-    (system: _: attrNames (readDir (path + "/${system}")))
-    (readDir path);
-
-  # invert the attrset, from {sys=[name]} to {name=sys}
-  # { host1 = "x86_64-linux"; host2 = "x86_64-linux"; }
-  hostToSys = foldl' (a: b: a // b) { }
-    (attrValues
-      (mapAttrs
-        (system: hosts: listToAttrs (map (name: { inherit name; value = system; }) hosts))
-        sysToHosts));
-
-in
-# produce stub configurations
-  # {
-  #   host1 = { system = "x86_64-linux"; modules = [ ... ]; };
-  #   host2 = { system = "x86_64-linux"; modules = [ ... ]; };
-  # }
-mapAttrs
-  (hostName: system: {
-    inherit system;
-    modules = [
-      (nixosModule)
-      (path + "/${system}/${hostName}")
-      { networking = { inherit hostName; }; }
-    ];
-  })
-  hostToSys