They are not required in the host system. See https://gitlab.archlinux.org/archlinux/archiso/-/issues/34 .
configs/releng/airootfs/usr/local/bin/choose-mirror
shellcheck -s dash $(HOOKS_FILES) $(SCRIPT_FILES)
-install: install-program install-initcpio install-examples install-doc
+install: install-program install-examples install-doc
install-program:
install -vDm 755 archiso/mkarchiso -t "$(DESTDIR)/usr/bin/"