Migrate features from rules.mk to data driven - ST (#23286)

keyboards/synthlabs/solo/keyboard.json

@@ -5,6 +5,15 @@
     "maintainer": "hongaaronc",
     "bootloader": "atmel-dfu",
     "processor": "atmega32u4",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "encoder": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
     "matrix_pins": {
         "direct": [
             ["C6", "D6", "B5", "B4", "D7", "B6", "D4"],

keyboards/synthlabs/solo/rules.mk

@@ -1,13 +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
-ENCODER_ENABLE = yes