[SX127x] Fixed comment

examples/SX127x/SX127x_Receive_Interrupt/SX127x_Receive_Interrupt.ino

@@ -71,7 +71,6 @@ void setup() {
   // radio.sleep()
   // radio.transmit();
   // radio.receive();
-  // radio.readData();
   // radio.scanChannel();
 }