applications/luci-firewall: remove nat reflection dependency on the wan zone, it causes issues with network lists and is not needed with fw3 anymore


git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9842 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
Merge branch 'master' of git://nbd.name/luci