Migrate features from rules.mk to data driven - EFGH (#23248)

keyboards/fleuron/keyboard.json

@@ -7,6 +7,15 @@
         "pid": "0x6060",
         "device_version": "0.0.1"
     },
+    "features": {
+        "bootmagic": false,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": false,
+        "nkro": false,
+        "rgblight": true
+    },
     "matrix_pins": {
         "cols": ["C7", "B6", "B3", "B5", "B4", "D7", "D4", "D5", "D3", "D2", "D1", "D0", "B7", "B0", "B1", "B2"],
         "rows": ["F0", "F1", "F4", "F5", "F6", "F7"]

keyboards/fleuron/rules.mk

@@ -1,13 +0,0 @@
-# Build Options
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no       # 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 = no            # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-AUDIO_ENABLE = no           # Audio output
-
-RGBLIGHT_ENABLE = yes