Makefile.inc1: remove lorder from build/cross tools

As lorder is not used by the base system build there is no need to
include it in bootstrap-tools or NXBDIRS.

Fixes: 0e1e341b486c ("Stop using lorder and ranlib when...")
Sponsored by: The FreeBSD Foundation

(cherry picked from commit 1a724aa97265c9023d2aa69b444b46c4f7c5d9f2)