Get Clueboard 66% hotswap working with led_matrix

keyboards/clueboard/66_hotswap/gen1/led.c

@@ -19,15 +19,3 @@
 #include "backlight.h"
 #include "led.h"
 #include "printf.h"
-
-void backlight_init_ports(void) {
-    printf("backlight_init_ports()\n");
-}
-
-void backlight_set(uint8_t level) {
-    printf("backlight_set(%d)\n", level);
-}
-
-void led_set_kb(uint8_t usb_led) {
-    printf("led_set_kb(%d)\n", usb_led);
-}