Remove 1000101 from blockbook maintainers

As per their wish in https://github.com/NixOS/nixpkgs/pull/410469#issuecomment-2908132051

Changed files
-1
pkgs
by-name
bl
blockbook
-1
pkgs/by-name/bl/blockbook/package.nix
···
license = licenses.agpl3Only;
maintainers = with maintainers; [
mmahut
-
_1000101
];
platforms = platforms.unix;
mainProgram = "blockbook";