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

keyboards/singa/keyboard.json

@@ -8,6 +8,16 @@
       "pid": "0x7575",
       "device_version": "2.0.0"
     },
+    "features": {
+        "backlight": true,
+        "bootmagic": false,
+        "command": true,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": false,
+        "rgblight": true
+    },
     "matrix_pins": {
         "cols": ["A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "C7", "C6", "C5", "C4", "C3", "C2", "D7"],
         "rows": ["B0", "B1", "B2", "B3", "B4", "B5", "B6"]

keyboards/singa/rules.mk

@@ -1,10 +0,0 @@
-# Build Options
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = no       # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = yes
-EXTRAKEY_ENABLE = yes
-CONSOLE_ENABLE = no
-COMMAND_ENABLE = yes
-BACKLIGHT_ENABLE = yes
-RGBLIGHT_ENABLE = yes