gut: remove `paveloom` from maintainers

pkgs/applications/version-management/gut/default.nix

···
     description = "An alternative git CLI";
     homepage = "https://gut-cli.dev";
     license = licenses.mit;
-    maintainers = with maintainers; [ paveloom ];
+    maintainers = with maintainers; [ ];
     mainProgram = "gut";
   };
 }