chore: include kernel modules in rootfs as sysext

pkgs/image/default.nix

@@ -35,17 +35,10 @@ mkdir rootfs
 cp -prP ${patosPkgs.rootfs}/* rootfs/
 find rootfs/ -type d -exec chmod 755 {} \;
 
-# package kernel modules as sysext
-pkgName="patos-kernel-modules-${version}"
-mkdir -p ./tree/usr/lib/extension-release.d
-cat << EOF > ./tree/usr/lib/extension-release.d/extension-release.patos-kernel-modules
-ID=patos
-IMAGE_ID=patos-kernel-modules
-IMAGE_VERSION=${version}
-VERSION_ID=patos
-EOF
-cp -Prp rootfs/usr/lib/modules ./tree/usr/lib/modules && rm -rf rootfs/usr/lib/modules
-tar -cJf $pkgName.tar.xz -C ./tree . --owner=root:0 --group=root:0 && rm -rf tree
+# package kernel modules as sysext (will reduce the image size a little bit (~3MB))
+mkdir rootfs/etc/extensions
+rm -rf rootfs/usr/lib/modules
+cp ${patosPkgs.kernel}/patos-kernel-modules* rootfs/etc/extensions/
 
 # set default target to multi-user
 ln -sf multi-user.target rootfs/usr/lib/systemd/system/default.target
@@ -137,23 +130,6 @@ ReadOnly=1
 Verify=no
 EOF
 
-cat <<EOF > rootfs/etc/sysupdate.d/30-kernel-modules.transfer
-[Source]
-Type=url-tar
-Path=${updateUrl}
-MatchPattern=patos-kernel-modules-@v.tar.xz
-
-[Target]
-Type=subvolume
-Path=/var/lib/extensions
-MatchPattern=patos-kernel-modules-@v
-CurrentSymlink=patos-kernel-modules
-
-[Transfer]
-Verify=no
-EOF
-
-
 # Initial partitioning
 cat <<EOF > init.repart.d/10-root.conf
 [Partition]