Migrate LOCKING_*_ENABLE to Data-Driven: H, Part 4 (#23764)

Affects:

  - `handwired/reclined`
  - `handwired/retro_refit`
  - `handwired/selene`
  - `handwired/sick68`
  - `handwired/sick_pad`
  - `handwired/skakunm_dactyl`
  - `handwired/slash`
  - `handwired/snatchpad`
  - `handwired/sono1`
  - `handwired/space_oddity`
  - `handwired/split89`
  - `handwired/split_cloud`
  - `handwired/steamvan/rev1`
  - `handwired/sticc14`
  - `handwired/stream_cheap/2x3`
  - `handwired/stream_cheap/2x4`
  - `handwired/stream_cheap/2x5`
  - `handwired/symmetric70_proto/promicro`
  - `handwired/symmetric70_proto/proton_c`
  - `handwired/symmetry60`
  - `handwired/tennie`
  - `handwired/terminus_mini`
  - `handwired/trackpoint`
  - `handwired/tritium_numpad`
  - `handwired/twadlee/tp69`
  - `handwired/unk/rev1`
  - `handwired/uthol/rev3`
  - `handwired/videowriter`
  - `handwired/wabi`
  - `handwired/woodpad`

keyboards/handwired/slash/config.h

@@ -1,23 +0,0 @@
-/*
-Copyright 2019 4sdftemp
-
-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
-
-/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
-#define LOCKING_SUPPORT_ENABLE
-/* Locking resynchronize hack */
-#define LOCKING_RESYNC_ENABLE

keyboards/handwired/slash/keyboard.json

@@ -24,6 +24,12 @@
         "extrakey": true,
         "bluetooth": true
     },
+    "qmk": {
+        "locking": {
+            "enabled": true,
+            "resync": true
+        }
+    },
     "layouts": {
         "LAYOUT": {
             "layout": [