[DISC] Warning message for discovery prefix change (#2066)

* discovery_Topic

* Remove  Log.notice(F("type: %s" CR), type.c_str());

main/ZgatewayRTL_433.ino

@@ -281,7 +281,6 @@ void rtl_433_Callback(char* message) {
   String topic = subjectRTL_433toMQTT;
   String model = RFrtl_433_ESPdata["model"];
   String type = RFrtl_433_ESPdata["type"];
-  Log.notice(F("type: %s" CR), type.c_str());
   String uniqueid;
 
   const char naming_keys[5][8] = {"type", "model", "subtype", "channel", "id"}; // from rtl_433_mqtt_hass.py

main/config_mqttDiscovery.h

@@ -113,7 +113,8 @@ void announceDeviceTrigger(bool use_gateway_info,
                            char* device_mac);
 
 #ifdef discovery_Topic //Deprecated - use discovery_Prefix instead
-#  define discovery_Prefix "homeassistant"
+#  pragma message("compiler directive discovery_Topic is deprecated, use discovery_Prefix instead")
+#  define discovery_Prefix discovery_Topic
 #endif
 #ifndef discovery_Prefix
 #  define discovery_Prefix "homeassistant"