nix: configure target users via nixos

This makes patching home-manager no longer necessary.

Signed-off-by: Ophestra <cat@gensokyo.uk>

dist/install.sh

@@ -4,8 +4,6 @@ cd "$(dirname -- "$0")" || exit 1
 install -vDm0755 "bin/fortify" "${FORTIFY_INSTALL_PREFIX}/usr/bin/fortify"
 install -vDm0755 "bin/fpkg" "${FORTIFY_INSTALL_PREFIX}/usr/bin/fpkg"
 
-install -vDm0755 "bin/fuserdb" "${FORTIFY_INSTALL_PREFIX}/usr/libexec/fortify/fuserdb"
-
 install -vDm6511 "bin/fsu" "${FORTIFY_INSTALL_PREFIX}/usr/bin/fsu"
 if [ ! -f "${FORTIFY_INSTALL_PREFIX}/etc/fsurc" ]; then
     install -vDm0400 "fsurc.default" "${FORTIFY_INSTALL_PREFIX}/etc/fsurc"