The nft NAT packages for IPv4 and IPv6 were merged into the common
packages with kernel 5.1. The kmod-nft-nat6 package was empty in our
build, remove it.
Multiple kernel configuration options were also removed, remove them
from our generic kernel configuration too.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit b75425370d)
534e256c02