refactor: simplify preseed configuration and nvidia setup

- Remove development packages (clang, lld, llvm, libdw-dev, dkms) from default installation
- Delete late_custom_amd.sh script as it's no longer needed
- Simplify late_custom_nvidia.sh to focus only on CUDA and nvidia-open installation
- Comment out nvidia script execution in preseed for optional manual use

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

files_to_inject/preseeds/late_custom_nvidia.sh

@@ -1,46 +1,26 @@
 #!/bin/bash
 
-set +e
-trap '' ERR
-
-# Supprimer le dépôt CD-ROM des sources APT (au tout début du script, dans l’OS installé)
-sed -i '/cdrom:/d' /etc/apt/sources.list /etc/apt/sources.list.d/*.list 2>/dev/null || true
-find /etc/apt/sources.list.d/ -type f -size 0 -delete
-
-# Configuration apt : non-interactif
-export DEBIAN_FRONTEND=noninteractive
-export APT_LISTCHANGES_FRONTEND=none
-
-# Filtre les warnings "W:" dans la sortie apt
-filter_warn() { grep -v "^W:" || true; }
-
 # Mettre à jour les sources sans afficher les warnings
-apt-get update 2>&1 | filter_warn
+apt-get update
 
-# Installer les paquets de base nécessaires
-apt-get install -y --no-install-recommends gpg dkms libdw-dev clang lld llvm flatpak linux-headers-$(uname -r) build-essential libglvnd-dev pkg-config 2>&1 | filter_warn
+# Installation de wget
+apt-get install -y wget
 
-# Ajouter la clé et le dépôt XanMod
-mkdir -p /etc/apt/keyrings
-timeout 30 wget -qO /etc/apt/keyrings/xanmod-archive-keyring.gpg https://dl.xanmod.org/archive.key || true
-echo "deb [signed-by=/etc/apt/keyrings/xanmod-archive-keyring.gpg] http://deb.xanmod.org $(lsb_release -sc) main non-free" > /etc/apt/sources.list.d/xanmod-release.list
+# Téléchargement dans /tmp
+wget https://developer.download.nvidia.com/compute/cuda/repos/debian12/x86_64/cuda-keyring_1.1-1_all.deb -P /tmp/
 
-# Ajouter la clé et le dépôt Kisak Mesa
-timeout 30 gpg --keyserver keyserver.ubuntu.com --recv-keys EB8B81E14DA65431D7504EA8F63F0F2B90935439 || true
-gpg --export EB8B81E14DA65431D7504EA8F63F0F2B90935439 > /etc/apt/trusted.gpg.d/kisak.gpg 2>/dev/null || true
-echo 'deb https://ppa.launchpadcontent.net/kisak/kisak-mesa/ubuntu plucky main' > /etc/apt/sources.list.d/kisak-mesa.list
-echo 'deb-src https://ppa.launchpadcontent.net/kisak/kisak-mesa/ubuntu plucky main' >> /etc/apt/sources.list.d/kisak-mesa.list
+# Installation du paquet de clé
+dpkg -i /tmp/cuda-keyring_1.1-1_all.deb
 
-# Relancer la mise à jour des sources (pour les nouveaux dépôts)
-apt-get update 2>&1 | filter_warn
+# Mise à jour des dépôts
+apt-get update
 
-# Installer le noyau XanMod
-apt-get install -y linux-xanmod-x64v3 2>&1 | filter_warn
+# Installation de CUDA Toolkit avec validation automatique
+apt-get -y install cuda-toolkit-12-9
 
-# Installer Kisak Mesa
-apt-get -y dist-upgrade 2>&1 | filter_warn
+# Nettoyage du fichier .deb téléchargé
+rm /tmp/cuda-keyring_1.1-1_all.deb
 
-# Pilotes NVIDIA
-apt-get install -y $(apt-cache search --names-only '^nvidia-driver-[0-9]+$' | sort -V | tail -1 | cut -d' ' -f1) nvidia-settings 2>&1 | filter_warn
+apt-get install -y nvidia-open
 
 exit 0