Move SOFT_SERIAL_PIN to data driven (#19863)

keyboards/ibnuda/squiggle/config.h

@@ -1,24 +0,0 @@
-/*
-Copyright 2020 Ibnu D. Aji
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#pragma once
-
-
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-#define SOFT_SERIAL_PIN D0  // or D1, D2, D3, E6

keyboards/ibnuda/squiggle/rev1/info.json

@@ -8,6 +8,9 @@
         "pid": "0x6969",
         "device_version": "0.0.1"
     },
+    "split": {
+        "soft_serial_pin": "D0"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina",
     "community_layouts": ["split_3x5_3"],