Remove clanModules

- Removes clanModules in favor of the new clanServices
- Adds a warning and link to the migration guide

checks/service-dummy-test-from-flake/default.nix

@@ -16,7 +16,6 @@ nixosLib.runTest (
 
     # This tests the compatibility of the inventory
     # With the test framework
-    # - legacy-modules
     # - clan.service modules
     name = "service-dummy-test-from-flake";
 
@@ -37,9 +36,6 @@ nixosLib.runTest (
         start_all()
         admin1.wait_for_unit("multi-user.target")
         peer1.wait_for_unit("multi-user.target")
-        # Provided by the legacy module
-        print(admin1.succeed("systemctl status dummy-service"))
-        print(peer1.succeed("systemctl status dummy-service"))
 
         # peer1 should have the 'hello' file
         peer1.succeed("cat ${nodes.peer1.clan.core.vars.generators.new-service.files.not-a-secret.path}")