Core/DBLayer: Fix remaining errors in loading world tables and a couple of them in characters database

Also removed World::LoadIp2nation(), it was not doing anything.
Closes #5897

src/server/game/World/World.cpp

@@ -1625,9 +1625,6 @@ void World::SetInitialWorldSettings()
     sLog->outString("Loading Autobroadcasts...");
     LoadAutobroadcasts();
 
-    sLog->outString("Loading Ip2nation...");
-    LoadIp2nation();
-
     ///- Load and initialize scripts
     sObjectMgr->LoadQuestStartScripts();                         // must be after load Creature/Gameobject(Template/Data) and QuestTemplate
     sObjectMgr->LoadQuestEndScripts();                           // must be after load Creature/Gameobject(Template/Data) and QuestTemplate
@@ -1884,23 +1881,6 @@ void World::LoadAutobroadcasts()
     sLog->outString();
 }
 
-void World::LoadIp2nation()
-{
-    uint32 oldMSTime = getMSTime();
-
-    QueryResult result = WorldDatabase.Query("SELECT count(c.code) FROM ip2nationCountries c, ip2nation i WHERE c.code = i.country");
-    uint32 count = 0;
-
-    if (result)
-    {
-        Field* fields = result->Fetch();
-        count = fields[0].GetUInt32();
-    }
-
-    sLog->outString(">> Loaded %u ip2nation definitions in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
-    sLog->outString();
-}
-
 /// Update the World !
 void World::Update(uint32 diff)
 {

src/server/game/World/World.h

@@ -741,8 +741,6 @@ class World
 
         void LoadAutobroadcasts();
 
-        void LoadIp2nation();
-
         void UpdateAreaDependentAuras();
 
         void ProcessStartEvent();