Remove unnecessary file

clanModules/flake-module.nix

@@ -8,7 +8,6 @@ in
 {
   # only import available files, as this allows to filter the files for tests.
   flake.clanModules = filterAttrs (_name: pathExists) {
-    admin = ./admin;
     auto-upgrade = ./auto-upgrade;
     borgbackup = ./borgbackup;
     borgbackup-static = ./borgbackup-static;

clanServices/admin/flake-module.nix

@@ -1,58 +0,0 @@
-{
-  self,
-  inputs,
-  lib,
-  ...
-}:
-let
-  module = lib.modules.importApply ./default.nix {
-    inherit (self) packages;
-  };
-in
-{
-  clan.inventory.modules = {
-    hello-world = module;
-  };
-  clan.modules = {
-    hello-world = module;
-  };
-  perSystem =
-    { pkgs, ... }:
-    let
-      # Module that contains the tests
-      # This module adds:
-      # - legacyPackages.<system>.eval-tests-hello-world
-      # - checks.<system>.eval-tests-hello-world
-      unit-test-module = (
-        self.clanLib.test.flakeModules.makeEvalChecks {
-          inherit module;
-          inherit self inputs;
-          testName = "hello-world";
-          tests = ./tests/eval-tests.nix;
-          # Optional arguments passed to the test
-          testArgs = { };
-        }
-      );
-    in
-    {
-      imports = [ unit-test-module ];
-
-      /**
-        1. Prepare the test vars
-        nix run .#generate-test-vars -- clanServices/hello-world/tests/vm hello-service
-
-        2. To run the test
-        nix build .#checks.x86_64-linux.hello-service
-      */
-      checks =
-        # Currently we don't support nixos-integration tests on darwin
-        lib.optionalAttrs (pkgs.stdenv.isLinux) {
-          hello-service = import ./tests/vm/default.nix {
-            inherit module;
-            inherit self inputs pkgs;
-            # clanLib is exposed from inputs.clan-core
-            clanLib = self.clanLib;
-          };
-        };
-    };
-}