tandoor-recipes: drop maintainership

I stopped using it, I can't test updates anymore.

nixos/modules/services/misc/tandoor-recipes.nix

@@ -25,7 +25,7 @@ let
   '';
 in
 {
-  meta.maintainers = with lib.maintainers; [ ambroisie ];
+  meta.maintainers = with lib.maintainers; [ ];
 
   options.services.tandoor-recipes = {
     enable = lib.mkOption {

nixos/tests/tandoor-recipes.nix

@@ -1,6 +1,6 @@
 import ./make-test-python.nix ({ lib, ... }: {
   name = "tandoor-recipes";
-  meta.maintainers = with lib.maintainers; [ ambroisie ];
+  meta.maintainers = with lib.maintainers; [ ];
 
   nodes.machine = { pkgs, ... }: {
     services.tandoor-recipes = {

pkgs/applications/misc/tandoor-recipes/common.nix

@@ -14,6 +14,6 @@ rec {
   meta = with lib; {
     homepage = "https://tandoor.dev/";
     license = licenses.agpl3Only;
-    maintainers = with maintainers; [ ambroisie ];
+    maintainers = with maintainers; [ ];
   };
 }