Migrate features and LTO from rules.mk to data driven (#23302)

keyboards/ffkeebs/puca/keyboard.json

@@ -8,6 +8,20 @@
         "pid": "0x0002",
         "device_version": "0.0.1"
     },
+    "build": {
+        "lto": true
+    },
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "encoder": true,
+        "extrakey": true,
+        "mousekey": false,
+        "nkro": false,
+        "oled": true,
+        "rgblight": true
+    },
     "matrix_pins": {
         "cols": ["F7", "B1", "B3", "B2", "B6"],
         "rows": ["B4", "E6", "D7", "B5", "C6", "F6"]

keyboards/ffkeebs/puca/rules.mk

@@ -1,16 +0,0 @@
-# Build Options
-#   change yes to no to disable
-#
-BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
-MOUSEKEY_ENABLE = no        # 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 = no            # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
-RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
-
-ENCODER_ENABLE = yes        # Enable rotary encoder support
-OLED_ENABLE = yes           # Enable OLED support
-
-LTO_ENABLE = yes            # Enable Link Time Optimization to reduce firmware size