Move encoder config to data driven (#19923)

Co-authored-by: Nick Brassel <nick@tzarc.org>

keyboards/flxlb/zplit/config.h

@@ -31,9 +31,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define SPLIT_USB_DETECT
 #define SPLIT_USB_TIMEOUT 500
 
-#define ENCODERS_PAD_A { B0 }
-#define ENCODERS_PAD_B { D2 }
-
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */

keyboards/flxlb/zplit/info.json

@@ -8,6 +8,11 @@
         "pid": "0x0001",
         "device_version": "0.0.1"
     },
+    "encoder": {
+        "rotary": [
+            {"pin_a": "B0", "pin_b": "D2"}
+        ]
+    },
     "split": {
         "soft_serial_pin": "D0"
     },