luci-app-ssr-plus: update default pdnsd config

luci-app-ssr-plus/root/etc/uci-defaults/luci-ssr-plus

@@ -28,7 +28,6 @@ touch /etc/ssrplus/ad.conf
 touch /etc/config/shadowsocksr
 [ -s "/etc/config/shadowsocksr" ] || /etc/init.d/shadowsocksr reset
 
-sed -i "s/option pdnsd_enable '3'/option pdnsd_enable '1'/g" /etc/config/shadowsocksr
 sed -i "s/option type 'vmess'/option type 'v2ray'\n\toption v2ray_protocol 'vmess'/g" /etc/config/shadowsocksr
 sed -i "s/option type 'vless'/option type 'v2ray'\n\toption v2ray_protocol 'vless'/g" /etc/config/shadowsocksr
 sed -i "s/option encrypt_method_v2ray_ss/option encrypt_method_ss/g" /etc/config/shadowsocksr