Migrate rgblight.pin and RGB_DI_PIN to ws2812.pin (#20303)

keyboards/qwertyydox/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define RGB_DI_PIN D6
     #define RGBLED_NUM 12
     #define RGBLIGHT_HUE_STEP 8
     #define RGBLIGHT_SAT_STEP 8

keyboards/qwertyydox/info.json

@@ -13,6 +13,9 @@
     "cols": ["F7", "F6", "F5", "C6", "D7", "D4", "D1"],
     "rows": ["B6", "B2", "B3", "B1"]
   },
+  "ws2812": {
+    "pin": "D6"
+  },
   "diode_direction": "COL2ROW",
   "split": {
     "soft_serial_pin": "D0"