Migrate features from rules.mk to data drive - LMN (#23277)

keyboards/maple_computing/c39/keyboard.json

@@ -8,6 +8,14 @@
         "pid": "0xCA39",
         "device_version": "0.0.1"
     },
+    "features": {
+        "bootmagic": false,
+        "command": true,
+        "console": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": false
+    },
     "matrix_pins": {
         "cols": ["F4", "F5", "F6", "F7", "B1", "B3", "B2", "B6", "D7", "E6", "C6", "D2", "D3"],
         "rows": ["D1", "B4", "B5"]

keyboards/maple_computing/c39/rules.mk

@@ -1,12 +0,0 @@
-# Build Options
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = yes       # Mouse keys
-EXTRAKEY_ENABLE = yes       # Audio control and System control
-CONSOLE_ENABLE = yes        # Console for debug
-COMMAND_ENABLE = yes        # Commands for debug and configuration
-NKRO_ENABLE = no            # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-AUDIO_ENABLE = no           # Audio output
-RGBLIGHT_ENABLE = no        # RGB Enable / Disable