Migrate features and LTO from rules.mk to data driven (#23307)

keyboards/mechllama/g35/info.json

@@ -3,6 +3,16 @@
     "manufacturer": "kaylynb",
     "url": "https://github.com/kaylynb/MechLlama-G35",
     "maintainer": "kaylynb",
+    "features": {
+        "bootmagic": false,
+        "command": false,
+        "console": false,
+        "extrakey": false,
+        "mousekey": false,
+        "nkro": true,
+        "oled": true,
+        "rgblight": true
+    },
     "usb": {
         "vid": "0xCEEB",
         "pid": "0x0035",

keyboards/mechllama/g35/rules.mk

@@ -1,5 +1 @@
-NKRO_ENABLE = yes           # Enable N-Key Rollover
-OLED_ENABLE = yes
-RGBLIGHT_ENABLE = yes
-
 DEFAULT_FOLDER = mechllama/g35/v2