remove /nt/units

nt/default.nix

@@ -5,6 +5,5 @@ mix.newMixture inputs (mixture: {
   ];
   submods.public = [
     ./mix
-    ./units
   ];
 })

nt/units/README.md

@@ -1 +0,0 @@
-# Unit Testing For Nix

nt/units/default.nix

@@ -1,52 +0,0 @@
-{
-  flake,
-  this,
-  ...
-}: let
-  inherit
-    (builtins)
-    derivation
-    getFlake
-    ;
-
-  inherit
-    (this)
-    genAttrs
-    ;
-
-  # TODO: rewrite nix-unit to lose dependency
-  nix-unit-flake = getFlake "github.com:nix-community/nix-unit?rev=5e224c19c7087daebb7f7ac95acdfdcc08ea7433";
-
-  forAllSystems = genAttrs [
-    "aarch64-darwin"
-    "aarch64-linux"
-    "x86_64-darwin"
-    "x86_64-linux"
-  ];
-in {
-  tests.testPass = {
-    expr = 3;
-    expected = 4;
-  };
-
-  checks = forAllSystems (system: let
-    nix-unit = "${nix-unit-flake.packages.${system}.default}/bin/nix-unit";
-  in {
-    default = derivation {
-      inherit system;
-      name = "nt-units";
-      builder = "/bin/sh";
-
-      args = [
-        "-c"
-        ''export HOME="$(realpath .)"; ${nix-unit} --eval-store "$HOME" --flake ${flake}#tests --extra-experimental-features flakes --extra-experimental-features nix-command --extra-experimental-features pipe-operators; touch $out''
-      ];
-
-      # XXX: TODO: is nix-unit-flake built in the sandbox (probably not right?)
-      # fixed-output-derivation by using output* options
-      # outputHashMode = "flat";
-      # outputHashAlgo = "sha256";
-      # outputHash = "";
-    };
-  });
-}