tried to fix the build

Author: kerryjiang

src/SuperSocket.MySQL/MySQLConnection.cs

@@ -88,8 +88,6 @@ public async Task ConnectAsync(CancellationToken cancellationToken = default)
                         ? errorPacket.ErrorMessage
                         : "Authentication failed";
                     throw new InvalidOperationException($"MySQL authentication failed: {errorMsg} (Error {errorPacket.ErrorCode})");
-                case EOFPacket eofPacket:
-                    throw new InvalidOperationException($"MySQL authentication failed.");
                 default:
                     throw new InvalidOperationException($"Unexpected packet received during authentication: {authResult?.GetType().Name ?? "null"}");
             }

src/SuperSocket.MySQL/MySQLPacketFactory.cs

@@ -15,8 +15,7 @@ static MySQLPacketFactory()
             ClientInstance = new MySQLPacketFactory()
                 .RegisterPacketType<HandshakePacket>(-1)
                 .RegisterPacketType<OKPacket>(0x00)
-                .RegisterPacketType<ErrorPacket>(0xFF)
-                .RegisterPacketType<EOFPacket>(0xFE);
+                .RegisterPacketType<ErrorPacket>(0xFF);
         }
 
         private readonly Dictionary<int, Func<MySQLPacket>> _packetCreators = new();