[Keyboard] Update ymdk/id75 config (#20432)

keyboards/ymdk/id75/config.h

@@ -16,7 +16,6 @@
 
 #pragma once
 
-#define RGB_DI_PIN B9
 #define RGB_MATRIX_LED_COUNT 89
 
 #define RGB_DISABLE_WHEN_USB_SUSPENDED

keyboards/ymdk/id75/info.json

@@ -18,7 +18,8 @@
     },
     "processor": "STM32F103",
     "ws2812": {
-        "driver": "pwm"
+        "driver": "pwm",
+        "pin": "B9"
     },
     "rgb_matrix": {
         "animations": {