nixos/modules/installer/netboot/netboot-minimal: reduce closure size

nixos/doc/manual/release-notes/rl-2305.section.md

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 - To reduce closure size in `nixos/modules/profiles/minimal.nix` profile disabled installation documentations and manuals. Also disabled `logrotate` and `udisks2` services.
 
+- To reduce closure size in `nixos/modules/installer/netboot/netboot-minimal.nix` profile disabled load linux firmwares, pre-installing the complete stdenv and `networking.wireless` service.
+
 - The minimal ISO image now uses the `nixos/modules/profiles/minimal.nix` profile.
 
 - The `ghcWithPackages` and `ghcWithHoogle` wrappers will now also symlink GHC's

nixos/modules/installer/netboot/netboot-minimal.nix

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   ];
 
   documentation.man.enable = lib.mkOverride 500 true;
+  hardware.enableRedistributableFirmware = lib.mkOverride 70 false;
+  system.extraDependencies = lib.mkOverride 70 [];
+  networking.wireless.enable = lib.mkOverride 500 false;
 }