fix: to delete functions removed from library files

Author: AndreaZGuz

examples/class_c_otaa_ack/class_c_otaa_ack.ino

@@ -12,8 +12,6 @@ const unsigned long interval = 15 * 1000; // 10 s interval to send message
 unsigned long previousMillis = 0;     // will store last time message sent
 unsigned int counter = 0;             // message counter
 
-bool sendack = false;
-
 char myStr[50];
 
 const sRFM_pins RFM_pins = {
@@ -23,31 +21,6 @@ const sRFM_pins RFM_pins = {
     .DIO1 = 19,
 };
 
-void message(sBuffer *msg, bool isConfirmed, uint8_t fPort){
-
-  char Buff[255];
-  int size = msg->Counter;
-
-  memset(Buff, 0x00, size + 1);
-  memcpy(Buff, msg->Data, size);
-
-  Serial.println("--------------------");
-  Serial.print("Msg size as bytes : ");
-  Serial.println(msg->Counter);
-  Serial.print("Message :");
-  Serial.println(Buff);
-  Serial.print("Port :");
-  Serial.println(fPort);
-
-  if(isConfirmed){
-
-    Serial.println("ACK response Should be sent !");
-    sendack = true;
-    
-  }
-
-}
-
 void setup() {
   // Setup loraid access
   Serial.begin(115200);
@@ -69,9 +42,6 @@ void setup() {
   lora.setAppEUI(appEui);
   lora.setAppKey(appKey);
 
-  // Set Callback function
-  lora.onMessage(message);
-
   // Join procedure
   bool isJoined;
   do {
@@ -113,13 +83,6 @@ void loop() {
 
   }
 
-  if (sendack) {
-
-    lora.sendACK();
-    sendack = false;
-
-  }
-
   lora.update();
 
   if(lora.readAck()) Serial.println("ack received");