test-fixtures: move to devFlake

checks/morph/flake-module.nix

@@ -1,6 +1,6 @@
 {
   self,
-  config,
+  privateInputs,
   ...
 }:
 {
@@ -30,7 +30,7 @@
 
           nodes = {
             actual =
-              { pkgs, lib, ... }:
+              { pkgs, ... }:
               let
                 dependencies = [
                   pkgs.stdenv.drvPath
@@ -38,9 +38,7 @@
                   self.nixosConfigurations.test-morph-machine.config.system.build.toplevel
                 ]
                 ++ builtins.map (i: i.outPath) (builtins.attrValues self.inputs)
-                ++ builtins.map (import ../installation/facter-report.nix) (
-                  lib.filter (lib.hasSuffix "linux") config.systems
-                );
+                ++ builtins.map (i: i.outPath) (builtins.attrValues privateInputs);
                 closureInfo = pkgs.closureInfo { rootPaths = dependencies; };
               in