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

keyboards/redox/rev1/base/info.json

@@ -10,6 +10,9 @@
     "split": {
         "soft_serial_pin": "D0"
     },
+    "ws2812": {
+        "pin": "D3"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina"
 }

keyboards/redox/rev1/config.h

@@ -22,9 +22,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Locking resynchronize hack */
 #define LOCKING_RESYNC_ENABLE
 
-/* ws2812 RGB LED */
-#define RGB_DI_PIN D3
-
 #define RGBLED_NUM 14    // Number of LEDs
 
 #define RGBLIGHT_SPLIT   // sync LEDs between RIGHT and LEFT hand

keyboards/redox/rev1/proton_c/config.h

@@ -25,10 +25,6 @@
 #define SERIAL_USART_RX_PAL_MODE 7 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 7
 #define SERIAL_USART_TIMEOUT 20    // USART driver timeout. default 20
 
-/* ws2812 RGB LED */
-#undef RGB_DI_PIN
-#define RGB_DI_PIN A9
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.

keyboards/redox/rev1/proton_c/info.json

@@ -2,6 +2,9 @@
     "usb": {
         "device_version": "1.0.1"
     },
+    "ws2812": {
+        "pin": "A9"
+    },
     "matrix_pins": {
         "cols": ["A1", "A0", "B8", "B13", "B14", "B15", "B9"],
         "rows": ["B5", "B3", "B2", "B1", "B0"]