Change keyboard level include guards to pragma once (#14248)

* Change keyboard level include guards to `pragma once`

And clean up a lot of layout macros

* Oops

* Remove dangling endif

keyboards/lfkeyboards/lighting.h

@@ -1,6 +1,4 @@
-#ifndef LIGHTING_H
-#define LIGHTING_H
-
+#pragma once
 
 // rgb_sequence[RGBLED_NUM]
 //
@@ -49,5 +47,3 @@ void set_backlight(uint8_t level);
 void set_underglow(uint8_t red, uint8_t green, uint8_t blue);
 void set_rgb(uint8_t rgb_led, uint8_t red, uint8_t green, uint8_t blue);
 void set_backlight_by_keymap(uint8_t col, uint8_t row);
-
-#endif