Fixed crash during BT connection

PiperOrigin-RevId: 527656444

internal/platform/implementation/windows/bluetooth_classic_socket.cc

@@ -195,12 +195,6 @@ ExceptionOr<ByteArray> BluetoothSocket::BluetoothInputStream::Read(
   }
 }
 
-IAsyncAction BluetoothSocket::CancelIOAsync() {
-  // Cancels pending reads and writes over a StreamSocket object.
-  // https://docs.microsoft.com/en-us/uwp/api/windows.networking.sockets.streamsocket.cancelioasync?view=winrt-20348
-  return windows_socket_.CancelIOAsync();
-}
-
 Exception BluetoothSocket::BluetoothInputStream::Close() {
   NEARBY_LOGS(INFO) << __func__ << ": Close bluetooth input stream.";