kubelogin: drop yurrriq from maintainers

pkgs/applications/networking/cluster/kubelogin/default.nix

···
     description = "A Kubernetes credential plugin implementing Azure authentication";
     inherit (src.meta) homepage;
     license = licenses.mit;
-    maintainers = with maintainers; [ yurrriq ];
+    maintainers = [];
   };
 }