pkgs/live-cd: stop forcing build path and serial builds

Author: t184256

.maint/hashes

@@ -41,7 +41,7 @@ ib8rkp6syqjl53ihgw3ivrj2875m8iaz libsodium
 blifdiax8l3anpvfbz0q12h6xikj11xz libarchive
 kva7q87mxpnh51ms9nsn0q13yg3nx3cn nlohmann_json
 4fnlcxja9lqsha8a6aq53qkqvd3rrawa nix
-4j81lc5b1niai5kmay1bs5ziy918abic live-cd^initscript
-0nvqsapj0ynqd4nqhcb7q6kls7dl7s5l live-cd^initrd
+irf3kzq1r10vvfjj2wmwiwhafgqlz40v live-cd^initscript
+kc6mhpxln3rhcp33kc5yjcdqjjsrmmfm live-cd^initrd
 00knav8mnf7nsq6p34xv5ax9rl68kxzz live-cd^limine_config
-nvfs2183nz3qlhchn94lnj900l3j1hwg live-cd^iso
+3bn1sm7vma5320r1y4vp258ck0ps0hin live-cd^iso

pkgs/live-cd/live-cd.nix

@@ -38,7 +38,6 @@ in
         echo '127.0.0.1 localhost' > /etc/hosts
         udhcpc
       fi
-      export NIX_FORCE_BUILD_PATH=/build
       setsid ash -c 'getty -n -l ${busybox}/bin/ash 0 /dev/tty0 &'
       exec setsid cttyhack ash
       EOF

pkgs/live-cd/nix.conf

@@ -2,4 +2,3 @@ compress-build-log = false
 build-users-group =
 extra-experimental-features = nix-command flakes ca-derivations
 substituters =
-max-jobs = 1