MySQL PlayerData now saves/loads properly when switching servers

src/main/java/net/Indyuce/mmocore/listener/PlayerListener.java

@@ -70,6 +70,8 @@ public class PlayerListener implements Listener {
 		PlayerData playerData = PlayerData.get(event.getPlayer());
 		if (playerData.hasParty())
 			playerData.getParty().removeMember(playerData);
+
+		MMOCore.plugin.dataProvider.getDataManager().remove(playerData);
 	}
 
 	/*

src/main/java/net/Indyuce/mmocore/manager/data/PlayerDataManager.java

@@ -25,6 +25,10 @@ public abstract class PlayerDataManager {
 		return map.getOrDefault(uuid, PlayerData.NOT_LOADED);
 	}
 
+	public void remove(UUID uuid) {
+		map.remove(uuid);
+	}
+	
 	public abstract OfflinePlayerData getOffline(UUID uuid);
 
 	public void setup(Player player) {
@@ -62,4 +66,6 @@ public abstract class PlayerDataManager {
 	public abstract void loadData(PlayerData data);
 
 	public abstract void saveData(PlayerData data);
+	
+	public abstract void remove(PlayerData data);
 }

src/main/java/net/Indyuce/mmocore/manager/data/mysql/MySQLPlayerDataManager.java

@@ -231,4 +231,10 @@ public class MySQLPlayerDataManager extends PlayerDataManager {
 			return lastLogin;
 		}
 	}
+
+	@Override
+	public void remove(PlayerData data) {
+		saveData(data);
+		remove(data.getUniqueId());
+	}
 }

src/main/java/net/Indyuce/mmocore/manager/data/yaml/YAMLPlayerDataManager.java

@@ -127,4 +127,7 @@ public class YAMLPlayerDataManager extends PlayerDataManager {
 	public OfflinePlayerData getOffline(UUID uuid) {
 		return isLoaded(uuid) ? get(uuid) : new YAMLOfflinePlayerData(uuid);
 	}
+
+	@Override
+	public void remove(PlayerData data) {}
 }