chore: remove unnecessary code/comment

Server/DB/Documents/Character.cs

@@ -1,7 +1,5 @@
 namespace Server.DB.Documents;
 
-using NpgsqlTypes;
-
 public class Character
 {
     public byte ServerId { get; set; }

Server/PacketHandlers/LoginHandler.cs

@@ -54,7 +54,6 @@ public class LoginHandler : IPacketHandler<LoginInfoPacket>
             }
             else
             {
-                // TODO: Send Message that account does not exist
                 this.logger.LogInformation("Requested account for user: {Username} does not exist", packet.Username);
                 loginResponseReason = LoginResponseReason.AccountDoesNotExit;
             }