Remove empty override functions (#14312)

* Remove empty override functions, 0-9

* Remove empty override functions, A-D

* Remove empty override functions, E-H

* Remove empty override functions, handwired

* Remove empty override functions, I-L

* Remove empty override functions, M-P

* Remove empty override functions, Q-T

* Remove empty override functions, U-Z

keyboards/40percentclub/4pack/4pack.c

@@ -29,26 +29,3 @@ void matrix_init_kb(void) {
   // Do the rest
   matrix_init_user();
 }
-
-/*
-void matrix_scan_kb(void) {
-  // put your looping keyboard code here
-  // runs every cycle (a lot)
-
-  matrix_scan_user();
-}
-
-bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
-  // put your per-action keyboard code here
-  // runs for every action, just before processing by the firmware
-
-  return process_record_user(keycode, record);
-}
-
-void led_set_kb(uint8_t usb_led) {
-  // put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
-
-  led_set_user(usb_led);
-}
-
-*/

keyboards/40percentclub/4pack/keymaps/default/keymap.c

@@ -21,6 +21,3 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         KC_A, KC_S, KC_D, KC_F
     ),
 };
-
-
-void matrix_init_user(void) { }