Remove myself from maintainers

I do not have time for dealing with issues like https://github.com/NixOS/nixpkgs/issues/87000

pkgs/development/python-modules/orderedset/default.nix

@@ -13,6 +13,6 @@ buildPythonPackage rec {
     description = "An Ordered Set implementation in Cython";
     homepage = https://pypi.python.org/pypi/orderedset;
     license = licenses.bsd3;
-    maintainers = [ maintainers.jtojnar ];
+    maintainers = [ ];
   };
 }