Remove unused action_get_macro() usages in user files (#11165)

keyboards/lfkeyboards/mini1800/keymaps/ca178858/keymap.c

@@ -120,16 +120,6 @@ const uint16_t PROGMEM fn_actions[] = {
     ACTION_FUNCTION(LFK_CLICK_TOGGLE),                        // FN5 - Toggle audio click
   };
 
-
-const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
-{
-    // MACRODOWN only works in this function
-    switch(id) {
-    }
-    return MACRO_NONE;
-};
-
-
 void matrix_init_user(void) {
     // This keymap only has a single base layer, so reset the default if needed
     if(eeconfig_read_default_layer() > 1){
@@ -137,15 +127,3 @@ void matrix_init_user(void) {
         default_layer_set(1);
     }
 }
-
-void matrix_scan_user(void) {
-
-}
-
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  return true;
-}
-
-void led_set_user(uint8_t usb_led) {
-
-}