remove unused import

Author: zefir-git

src/main/java/pro/cloudnode/smp/cloudnodemsg/message/Message.java

@@ -5,7 +5,6 @@
 import org.bukkit.OfflinePlayer;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
-import org.bukkit.persistence.PersistentDataContainer;
 import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;