Remove/migrate action_get_macro()s from default keymaps (#5625)

* Remove/migrate action_get_macro()s from default keymaps

* Leave these breaks alone

keyboards/xd60/keymaps/split_bksp_arrows/keymap.c

@@ -38,20 +38,6 @@ const uint16_t PROGMEM fn_actions[] = {
     [0] = ACTION_LAYER_MOMENTARY(1),  // to Function Layer
 };
 
-// Macros
-const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {
-
-  // MACRODOWN only works in this function
-  switch(id) {
-    case 0:
-      if (record->event.pressed) { register_code(KC_RSFT); }
-      else { unregister_code(KC_RSFT); }
-      break;
-  }
-
-  return MACRO_NONE;
-};
-
 // Loop
 void matrix_scan_user(void) {
   // Empty