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

keyboards/handwired/tsubasa/config.h

@@ -18,7 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 #define MASTER_RIGHT
 
-#define RGB_DI_PIN D2
 #    define RGBLED_NUM 12
 #    define RGBLIGHT_SPLIT
 #    define RGBLED_SPLIT {6, 6}

keyboards/handwired/tsubasa/info.json

@@ -8,6 +8,9 @@
         "pid": "0x0000",
         "device_version": "1.0.0"
     },
+    "ws2812": {
+        "pin": "D2"
+    },
     "matrix_pins": {
         "cols": ["F6", "F7", "B1", "B3", "B2", "B6"],
         "rows": ["C6", "D7", "E6", "B4", "B5"]