icloudpd: remove `jnsgruk` from maintainers

-1
-1
pkgs/by-name/ic/icloudpd/package.nix
··· 86 mainProgram = "icloudpd"; 87 maintainers = with maintainers; [ 88 anpin 89 - jnsgruk 90 ]; 91 }; 92 }
··· 86 mainProgram = "icloudpd"; 87 maintainers = with maintainers; [ 88 anpin 89 ]; 90 }; 91 }