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

keyboards/sofle/keyhive/config.h

@@ -31,7 +31,6 @@
 // Add RGB underglow
 // by defining in the keyboard, incompatible keymaps will fail to compile.
 #ifdef RGBLIGHT_ENABLE
-#    define RGB_DI_PIN D3
 #    define RGBLED_NUM 74
 #    define RGBLED_SPLIT {37,37}
 #    define RGBLIGHT_LIMIT_VAL 100 // LED Brightness, high power draw may exceed the USB limitations of 0.6A and cause a crash.

keyboards/sofle/keyhive/info.json

@@ -6,6 +6,9 @@
         "pid": "0x1287",
         "device_version": "0.0.2"
     },
+    "ws2812": {
+        "pin": "D3"
+    },
     "matrix_pins": {
         "cols": ["B6", "B2", "B3", "B1", "F7", "F6", null],
         "rows": ["C6", "D7", "E6", "B4", "B5"]