Move SOFT_SERIAL_PIN to data driven (#19863)

keyboards/maple_computing/lets_split_eh/eh/config.h

@@ -47,7 +47,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* Split Defines */
 #define SPLIT_HAND_PIN D3
-#define SOFT_SERIAL_PIN D0
 
 // The 'EH' has previously forced use of I2C so this default has been kept
 // however users can undef to use serial

keyboards/maple_computing/lets_split_eh/eh/info.json

@@ -8,6 +8,9 @@
         "pid": "0xE401",
         "device_version": "1.0.0"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
     "community_layouts": ["ortho_4x12"],

keyboards/maple_computing/minidox/rev1/config.h

@@ -21,6 +21,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MATRIX_ROW_PINS { B2, B6, B4, B5 }
 #define MATRIX_COL_PINS { F4, D3, D2, D1, D4 }
 
-#define SOFT_SERIAL_PIN D0
-
 //#define EE_HANDS

keyboards/maple_computing/minidox/rev1/info.json

@@ -8,6 +8,9 @@
     "pid": "0x3060",
     "device_version": "0.0.1"
   },
+  "split": {
+    "soft_serial_pin": "D0"
+  },
   "processor": "atmega32u4",
   "bootloader": "caterina",
   "community_layouts": ["split_3x5_3"],