check irc.saysec func

commands.lua

@@ -41,7 +41,7 @@ core.register_chatcommand("pay", {
 		 if bankemeralds1 >= num then
 		    core.chat_send_player(name, S("Pay Successfully! You have transferred @1 Emeralds." , num) )
 		    core.chat_send_player(playername2, S("Pay Successfully! You've gotten @1 Emeralds.", num) )
-		    if core.get_modpath("irc") then
+		    if core.get_modpath("irc") and irc.saysec then
 		       irc.saysec(name.." has transferred "..num.." emeralds to "..playername2)
 		    end
 		    emeraldbank.add_emeralds(player1, -num)

init.lua

@@ -23,13 +23,6 @@ local modpath = core.get_modpath(core.get_current_modname())
 
 emeraldbank = {}
 
--- compat with irc mod fork
-if core.get_modpath("irc") then
-   if not irc.saysec then
-      irc.saysec = irc.say
-   end
-end
-
 local income_enabled = core.settings:get_bool("emeraldbank.income_enabled", true)
 
 if income_enabled then