Migrate features and LTO from rules.mk to data driven (#23302)

keyboards/s_ol/0xc_pad/keyboard.json

@@ -2,6 +2,18 @@
     "keyboard_name": "0xC.pad",
     "url": "https://s-ol.nu/0xC.pad",
     "diode_direction": "ROW2COL",
+    "build": {
+        "lto": true
+    },
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true,
+        "rgb_matrix": true
+    },
     "matrix_pins": {
       "rows": ["B7", "B6", "B5", "B4"],
       "cols": ["D4", "D3", "D2", "D1"]

keyboards/s_ol/0xc_pad/rules.mk

@@ -1,14 +0,0 @@
-# Build Options
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = yes       # Mouse keys
-EXTRAKEY_ENABLE = yes       # Audio control and System control
-CONSOLE_ENABLE = no         # Console for debug
-COMMAND_ENABLE = no         # Commands for debug and configuration
-NKRO_ENABLE = yes           # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
-AUDIO_ENABLE = no           # Audio output
-LTO_ENABLE = yes
-RGB_MATRIX_ENABLE = yes