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

keyboards/eek/config.h

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #pragma once
 
- #define RGB_DI_PIN D3
   #define RGBLED_NUM 36
   #define RGBLIGHT_HUE_STEP 4
   #define RGBLIGHT_SAT_STEP 8

keyboards/eek/info.json

@@ -13,6 +13,9 @@
         "rows": ["D7", "E6", "B4", "B5"]
     },
     "diode_direction": "COL2ROW",
+    "ws2812": {
+        "pin": "D3"
+    },
     "processor": "atmega32u4",
     "bootloader": "qmk-dfu",
     "community_layouts": ["split_3x5_3"],