maintainers: remove olebedev (#531347)

maintainers/maintainer-list.nix

@@ -20643,12 +20643,6 @@
     matrix = "@olduser101:matrix.org";
     name = "Nathan Gill";
   };
-  olebedev = {
-    email = "ole6edev@gmail.com";
-    github = "olebedev";
-    githubId = 848535;
-    name = "Oleg Lebedev";
-  };
   oleina = {
     email = "antholeinik@gmail.com";
     github = "antholeole";

maintainers/team-list.nix

@@ -70,7 +70,6 @@ with lib.maintainers;
     members = [
       mboes
       cbley
-      olebedev
       groodt
       aherrmann
       ylecornec

pkgs/by-name/bk/bkyml/package.nix

@@ -44,6 +44,6 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     homepage = "https://github.com/joscha/bkyml";
     description = "CLI tool to generate a pipeline.yaml file for Buildkite on the fly";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ olebedev ];
+    maintainers = [ ];
   };
 })