aidl: light: Use pragma once

Change-Id: I517d22da79659803c1271f79cb089710efbeba2f

aidl/light/include/samsung_lights.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2016 The CyanogenMod Project
- * Copyright (C) 2017 The LineageOS Project
+ *               2017-2022 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,8 +15,7 @@
  * limitations under the License.
  */
 
-#ifndef SAMSUNG_LIGHTS_H
+#pragma once
-#define SAMSUNG_LIGHTS_H
 
 /*
  * Board specific nodes
@@ -54,5 +53,3 @@
 #define LED_BRIGHTNESS_BATTERY 255
 #define LED_BRIGHTNESS_NOTIFICATION 255
 #define LED_BRIGHTNESS_ATTENTION 255
-
-#endif  // SAMSUNG_LIGHTS_H