nrfutil: 6.1.3 -> 6.1.6
nrfutil: 6.1.3 -> 6.1.6

Version adds support for Python 3.10.

Patch out the hardcoded libusb1 version. Upstream locked it due
to pip pulling down libraries that had issues on the host system.
That shouldn't be an issue here with libusb1 in 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,NixOS/nixpkgs