Migrate features from rules.mk to DD (#23247)

keyboards/doio/kb30/keyboard.json

@@ -48,6 +48,17 @@
         "max_brightness": 200,
         "sleep": true
     },
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "encoder": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true,
+        "oled": true,
+        "rgb_matrix": true
+    },
     "matrix_pins": {
         "cols": ["B14", "B13", "B12", "B0", "A7", "A9", "A8"],
         "rows": ["B3", "B4", "B9", "B8", "A5", "A6"]

keyboards/doio/kb30/rules.mk

@@ -1,15 +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
-RGB_MATRIX_ENABLE = yes
-OLED_ENABLE = yes
-ENCODER_ENABLE = yes