Remove unused tests.nix

Author: thomasjm

tests/flake.nix

@@ -6,9 +6,8 @@
     flake-utils.lib.eachSystem ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"] (system:
       let
         pkgs = import nixpkgs { inherit system; };
-        tests = pkgs.haskell.packages.ghc96.callPackage ./tests.nix {};
       in
-        rec {
+        {
           devShells = {
             default = pkgs.mkShell {
               buildInputs = with pkgs; [
@@ -27,7 +26,6 @@
           };
 
           packages = {
-            inherit tests;
             inherit (pkgs) cabal2nix;
 
             nixpkgsPath = pkgs.writeShellScriptBin "nixpkgsPath.sh" "echo -n ${pkgs.path}";
@@ -40,8 +38,6 @@
 
             inherit (pkgs) direnv stack;
           };
-
-          defaultPackage = packages.tests;
         }
     );
 }