[SYS] Bump ESP32 platform to v6.1.0 and ESP8266 to v4.1.0 (#1547)

* Bump ESP32 platform to v6.1.0 and ESP8266 to v4.1.0

* Fix ESP32 not connecting to Ethernet

And remove check updates as it is now done every hour

* Do not define LED pins if not explicitly stated

* OLED need to be reset for Heltec Lora 32 V2

* Fix issue with SSD1306 saving

main/config_RF.h

@@ -80,8 +80,6 @@ struct RTL_433device {
   bool isDisc;
 };
 
-extern std::vector<RTL_433device*> RTL_433devices;
-
 const char parameters[40][4][24] = {
     // RTL_433 key, name, unit, device_class
     {"temperature_C", "temperature", "°C", "temperature"},