clean up old file

src/blink.cpp.bak

@@ -1,19 +0,0 @@
-#include <Arduino.h>
-
-#define LED 2
-
-void setup() {
-  // put your setup code here, to run once:
-  //Serial.begin(115200);
-  pinMode(LED, OUTPUT);
-}
-
-void loop() {
-  // put your main code here, to run repeatedly:
-  digitalWrite(LED, HIGH);
-  //Serial.println("LED is on");
-  delay(1000);
-  digitalWrite(LED, LOW);
-  //Serial.println("LED is off");
-  delay(1000);
-}