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

keyboards/handwired/hnah40rgb/config.h

@@ -18,7 +18,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #pragma once
 
 #ifdef RGB_MATRIX_ENABLE
-#define RGB_DI_PIN E2
 #define RGB_MATRIX_LED_COUNT 50
 #define RGB_MATRIX_KEYPRESSES // reacts to keypresses
 #define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (instead of keypresses)

keyboards/handwired/hnah40rgb/info.json

@@ -8,6 +8,9 @@
         "pid": "0x0000",
         "device_version": "0.0.1"
     },
+    "ws2812": {
+        "pin": "E2"
+    },
     "matrix_pins": {
         "cols": ["D5", "D6", "D3", "D2", "B6", "C6", "C7", "F7", "F6", "F5", "F4"],
         "rows": ["B7", "D7", "F1", "F0"]