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

keyboards/adpenrose/kintsugi/config.h

@@ -20,7 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define TAP_CODE_DELAY 10
 
 /* Underglow options: */
-#define RGB_DI_PIN F1
 #    define RGBLED_NUM 16
 #    define RGBLIGHT_HUE_STEP 8
 #    define RGBLIGHT_SAT_STEP 8

keyboards/adpenrose/kintsugi/info.json

@@ -8,6 +8,9 @@
         "pid": "0x0001",
         "device_version": "1.0.0"
     },
+    "ws2812": {
+        "pin": "F1"
+    },
     "matrix_pins": {
         "cols": ["F6", "F7", "B1", "B3", "B2", "B6", "F0"],
         "rows": ["B0", "E6", "D7", "C6", "D4", "D2", "F4", "F5", "B5", "B4"]