Remove Norton DNS

Signed-off-by: Mark Drobnak <mark.drobnak@gmail.com>

automated install/basic-install.sh

@@ -33,7 +33,6 @@ DNS_SERVERS=$(cat << EOM
 Google (ECS);8.8.8.8;8.8.4.4;2001:4860:4860:0:0:0:0:8888;2001:4860:4860:0:0:0:0:8844
 OpenDNS (ECS);208.67.222.222;208.67.220.220;2620:0:ccc::2;2620:0:ccd::2
 Level3;4.2.2.1;4.2.2.2;;
-Norton;199.85.126.10;199.85.127.10;;
 Comodo;8.26.56.26;8.20.247.20;;
 DNS.WATCH;84.200.69.80;84.200.70.40;2001:1608:10:25:0:0:1c04:b12f;2001:1608:10:25:0:0:9249:d69b
 Quad9 (filtered, DNSSEC);9.9.9.9;149.112.112.112;2620:fe::fe;2620:fe::9