cleaned some comments in main

src/main.cpp

@@ -15,7 +15,7 @@ unsigned long previous_time = micros();
 
 
 void setup() {
-  // put your setup code here, to run once:
+  // setup code, runs once
   Serial.begin(115200);
   delay(400);
   Serial.println("Initializing...");
@@ -49,7 +49,7 @@ void setup() {
 }
 
 void loop() {
-  // put your main code here, to run repeatedly:
+  // main loop, runs repeatedly:
   Serial.println(particleSensor.getIR());
 
   particleSensor.check();