linux-wlan-ng hasn't been in any stable release for years, and was removed from unstable in November 2023 (see https://tracker.debian.org/pkg/linux-wlan-ng), so it's no longer in the archive at all. There should be no need to keep it in Packages-arch-specific any more.
[ Debian bug #1071674 ] --- Packages-arch-specific | 1 - 1 file changed, 1 deletion(-) diff --git a/Packages-arch-specific b/Packages-arch-specific index aa69ebe..9112a32 100644 --- a/Packages-arch-specific +++ b/Packages-arch-specific @@ -22,7 +22,6 @@ fdflush: alpha amd64 i386 # amd64/i386/alpha specific %libgcr410: i386 amd64 # [ANAIS] -%linux-wlan-ng: amd64 i386 powerpc armel armhf alpha hppa # ANAIS [?] # xorg stuff %xf86-input-multitouch: !s390x -- 2.30.2