luci-app-firewall: update Japanese translation
luci-app-firewall: update Japanese translation

Updated japanese translations.

Signed-off-by: INAGAKI Hiroshi <638227ec0cbd67eab386b2e29d2c44a2415c7884@gmail.com>

kuoruan/lede-luci,nmav/luci,wongsyrone/luci-1,kuoruan/lede-luci,tobiaswaldvogel/luci,hnyman/luci,chris5560/openwrt-luci,openwrt-es/openwrt-luci,tobiaswaldvogel/luci,wongsyrone/luci-1,wongsyrone/luci-1,rogerpueyo/luci,openwrt-es/openwrt-luci,lbthomsen/openwrt-luci,chris5560/openwrt-luci,nmav/luci,kuoruan/luci,lbthomsen/openwrt-luci,Noltari/luci,tobiaswaldvogel/luci,Noltari/luci,openwrt/luci,hnyman/luci,kuoruan/lede-luci,Noltari/luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,tobiaswaldvogel/luci,wongsyrone/luci-1,lbthomsen/openwrt-luci,chris5560/openwrt-luci,artynet/luci,Noltari/luci,rogerpueyo/luci,openwrt-es/openwrt-luci,lbthomsen/openwrt-luci,kuoruan/lede-luci,tobiaswaldvogel/luci,rogerpueyo/luci,Noltari/luci,kuoruan/luci,artynet/luci,rogerpueyo/luci,openwrt/luci,lbthomsen/openwrt-luci,kuoruan/luci,openwrt-es/openwrt-luci,Noltari/luci,chris5560/openwrt-luci,wongsyrone/luci-1,hnyman/luci,hnyman/luci,openwrt-es/openwrt-luci,artynet/luci,wongsyrone/luci-1,openwrt/luci,hnyman/luci,nmav/luci,rogerpueyo/luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,kuoruan/lede-luci,kuoruan/luci,openwrt/luci,tobiaswaldvogel/luci,artynet/luci,kuoruan/luci,artynet/luci,kuoruan/luci,tobiaswaldvogel/luci,nmav/luci,lbthomsen/openwrt-luci,openwrt-es/openwrt-luci,hnyman/luci,wongsyrone/luci-1,nmav/luci,artynet/luci,Noltari/luci,rogerpueyo/luci,openwrt/luci,rogerpueyo/luci,hnyman/luci,chris5560/openwrt-luci,nmav/luci,kuoruan/luci,artynet/luci,kuoruan/luci,Noltari/luci,chris5560/openwrt-luci,openwrt/luci,artynet/luci,nmav/luci,kuoruan/lede-luci,hnyman/luci,chris5560/openwrt-luci,openwrt/luci,nmav/luci,tobiaswaldvogel/luci,rogerpueyo/luci,openwrt/luci,wongsyrone/luci-1,Noltari/luci,nmav/luci,artynet/luci,chris5560/openwrt-luci,kuoruan/lede-luci,kuoruan/lede-luci