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

keyboards/atomic/keyboard.json

@@ -7,6 +7,15 @@
         "pid": "0x6060",
         "device_version": "0.0.1"
     },
+    "features": {
+        "backlight": true,
+        "bootmagic": false,
+        "command": true,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": false
+    },
     "matrix_pins": {
         "cols": ["F1", "F0", "B0", "C7", "F4", "F5", "F6", "F7", "D4", "D6", "B4", "D7", "D3", "D2", "D1"],
         "rows": ["D0", "D5", "B5", "B6", "C6"]

keyboards/atomic/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 = no         # Console for debug
-COMMAND_ENABLE = yes        # Commands for debug and configuration
-NKRO_ENABLE = no            # Enable N-Key Rollover
-BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
-RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
-AUDIO_ENABLE = no           # Audio output