mm-page_allocc-remove-unneeded-codes-in-numa-version-of-build_zonelists-v2

remove unused locals

Link: https://lkml.kernel.org/r/ZgQL1WOf9K88nLpQ@MiWiFi-R3L-srv


Signed-off-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>