Change the irc communication server for nalc-dev bot

minetest-dev.conf

@@ -280,8 +280,8 @@ snow_christmas_content = true
 
 ### IRC CHAT ###
 ################
-irc.server = irc.sys4.fr
-irc.channel = #NALC
+irc.server = irc.geeknode.org
+irc.channel = #minetest-nalc
 irc.interval = 2.0
 irc.nick = nalc-dev
 #irc.password = #vide car aucun mdp pour le channel