Replace KC__VOLUP and KC__VOLDOWN with single underscore version.

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/chocofly/chocofly.c

@@ -7,9 +7,9 @@
 bool encoder_update_kb(uint8_t index, bool clockwise) {
     if (!encoder_update_user(index, clockwise)) { return false; }
     if (clockwise) {
-        tap_code(KC__VOLUP);
+        tap_code(KC_VOLU);
     } else {
-        tap_code(KC__VOLDOWN);
+        tap_code(KC_VOLD);
     }
     return false;
 }

keyboards/chocofly/v1/keymaps/winder/keymap.c

@@ -44,9 +44,9 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 bool encoder_update_user(uint8_t index, bool clockwise) {
     if (index == 0) {
         if (clockwise) {
-            tap_code(KC__VOLDOWN);
+            tap_code(KC_VOLD);
         } else {
-            tap_code(KC__VOLUP);
+            tap_code(KC_VOLU);
         }
     }
     return false;