Move RGBLED_SPLIT to data driven (#21113)

Co-authored-by: Joel Challis <git@zvecr.com>

keyboards/yoichiro/lunakey_mini/config.h

@@ -19,7 +19,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
   #define RGBLED_NUM 12
   #define RGBLIGHT_SPLIT
-  #define RGBLED_SPLIT { 6, 6 }
   #define RGBLIGHT_LED_MAP { 0, 1, 2, 3, 4, 5, \
                              11, 10, 9, 8, 7, 6 }
   #define RGBLIGHT_HUE_STEP 8

keyboards/yoichiro/lunakey_mini/info.json

@@ -16,6 +16,9 @@
     "split": {
         "soft_serial_pin": "D2"
     },
+    "rgblight": {
+        "split_count": [6, 6]
+    },
     "ws2812": {
         "pin": "D3"
     },