Merge branch 'fix_choosing_ip_during_installation' into 'master'

removed ip checking service which has been closed

See merge request !20

melodic_installation/installMelodic.sh

@@ -276,7 +276,6 @@ read -d '' urls << 'END'
 http://ifconfig.me/
 http://icanhazip.com/
 http://ident.me/
-http://tnx.nl/ip
 http://whatismyip.akamai.com/
 http://bot.whatismyipaddress.com/
 http://l2.io/ip