Rename the I2 port class.

MMDVM.ino

@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2017,2018,2020 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2017,2018,2020,2021 by Jonathan Naylor G4KLX
  *   Copyright (C) 2016 by Colin Durbridge G4EML
  *
  *   This program is free software; you can redistribute it and/or modify
@@ -42,10 +42,6 @@ bool m_dcd = false;
 CI2COLED oled;
 #endif
 
-#if defined(I2C_REPEATER)
-CI2CPort i2C1(1U);
-#endif
-
 #if defined(MODE_DSTAR)
 CDStarRX dstarRX;
 CDStarTX dstarTX;