bug_report.md: remove confusing 'maintainer information' section (#120711)
bug_report.md: remove confusing 'maintainer information' section (#120711)

When I started out, I was confused by this section and no idea what to put in
and I don't think I'm the only one as I rarely see it filled out.

This means there isn't much usefulness in it for bot processing either; better
just remove it.
NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs