netfilter: ctnetlink: remove obsolete NAT dependency from Kconfig

Now that ctnetlink doesn't have any NAT module depenencies anymore,
we can also remove them from Kconfig.
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/netfilter/Kconfig

@@ -271,7 +271,6 @@ config NF_CONNTRACK_TFTP
 config NF_CT_NETLINK
 	tristate 'Connection tracking netlink interface'
 	select NETFILTER_NETLINK
-	depends on NF_NAT=n || NF_NAT
 	default m if NETFILTER_ADVANCED=n
 	help
 	  This option enables support for a netlink-based userspace interface