Fix unused arguments

AchievementInfo.lua

@@ -7,7 +7,7 @@
 
 -- Init
 AchievementInfo.hijackedFirstLoad = false
-function AchievementInfo.initialize(eventCode, addOnName)
+function AchievementInfo.initialize(_, addOnName)
     if (addOnName ~= AchievementInfo.name) then return end
 
     --

AchievementInfoApplication.lua

@@ -6,7 +6,7 @@
 
 
 -- Do the magic
-function AchievementInfo.onAchievementUpdated(eventCode, achId)
+function AchievementInfo.onAchievementUpdated(_, achId)
     local output            = ""
 
     -- addOn enabled?