Migrate recently introduced sync items (#22305)

keyboards/spleeb/config.h

@@ -7,10 +7,6 @@
 // the touch sensor to be on the master side
 #define MASTER_RIGHT
 
-// Sync later, led, and mod state for use on OLED on slave side
-#define SPLIT_LAYER_STATE_ENABLE
-#define SPLIT_LED_STATE_ENABLE
-#define SPLIT_MODS_ENABLE
 // Transport dpi and enc mode for display on oled
 #define SPLIT_TRANSACTION_IDS_KB RPC_ID_KB_CONFIG_SYNC
 

keyboards/spleeb/info.json

@@ -36,6 +36,13 @@
                     {"pin_a": "GP21", "pin_b": "GP4"}
                 ]
             }
+        },
+        "transport": {
+            "sync": {
+                "indicators": true,
+                "layer_state": true,
+                "modifiers": true
+            }
         }
     },
     "url": "https://github.com/chrishoage/spleeb",