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

keyboards/jiran/rev2/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
-#define RGB_DI_PIN B6
 #define RGBLIGHT_EFFECT_BREATHING
 #define RGBLIGHT_EFFECT_RAINBOW_MOOD
 #define RGBLIGHT_EFFECT_RAINBOW_SWIRL

keyboards/jiran/rev2/info.json

@@ -0,0 +1,5 @@
+{
+   "ws2812": {
+       "pin": "B6"
+   }
+}