luci-base: zh_CN: Update Simplified Chinese translation
luci-base: zh_CN: Update Simplified Chinese translation

Signed-off-by: Zheng Qian <70fea7a4eeb347547214a7fb895df7a2991e4064@gmail.com>

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