[Code] DiscordManager Global to Singleton Cleanup

ucs/ucs.cpp

@@ -47,7 +47,6 @@ Clientlist *g_Clientlist;
 EQEmuLogSys LogSys;
 UCSDatabase database;
 WorldServer *worldserver = nullptr;
-DiscordManager discord_manager;
 ZoneStore zone_store;
 PlayerEventLogs player_event_logs;
 
@@ -96,7 +95,7 @@ void CatchSignal(int sig_num) {
 
 void PlayerEventQueueListener() {
 	while (caught_loop == 0) {
-		discord_manager.ProcessMessageQueue();
+		DiscordManager::Instance()->ProcessMessageQueue();
 		Sleep(100);
 	}
 }

ucs/worldserver.cpp

@@ -42,7 +42,6 @@ extern WorldServer     worldserver;
 extern Clientlist      *g_Clientlist;
 extern const ucsconfig *Config;
 extern UCSDatabase       database;
-extern DiscordManager  discord_manager;
 
 void ProcessMailTo(Client *c, const std::string& from, const std::string& subject, const std::string& message);
 
@@ -92,14 +91,14 @@ void WorldServer::ProcessMessage(uint16 opcode, EQ::Net::Packet &p)
 		cereal::BinaryInputArchive archive(ss);
 		archive(n);
 
-		discord_manager.QueuePlayerEventMessage(n);
+		DiscordManager::Instance()->QueuePlayerEventMessage(n);
 
 		break;
 	}
 	case ServerOP_DiscordWebhookMessage: {
 		auto *q = (DiscordWebhookMessage_Struct *) p.Data();
 
-		discord_manager.QueueWebhookMessage(
+		DiscordManager::Instance()->QueueWebhookMessage(
 			q->webhook_id,
 			q->message
 		);