These variables have not been set for a long time.  Do not
include them in config-host.mak.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Message-id: 1364918276-11866-1-git-send-email-pbonzini@redhat.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>