Migrate build target markers to keyboard.json - OQ (#23564)

keyboards/omnikeyish/keyboard.json

@@ -9,6 +9,14 @@
         "device_version": "13.3.7",
         "force_nkro": true
     },
+    "features": {
+        "bootmagic": true,
+        "command": true,
+        "console": true,
+        "extrakey": true,
+        "mousekey": false,
+        "nkro": true
+    },
     "indicators": {
         "caps_lock": "E1",
         "num_lock": "E0",

keyboards/omnikeyish/rules.mk

@@ -1,15 +1,2 @@
-# 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 = yes	# Console for debug
-COMMAND_ENABLE = yes    # Commands for debug and configuration
-NKRO_ENABLE = yes           # Enable N-Key Rollover
-BACKLIGHT_ENABLE = no  	# Enable keyboard backlight functionality
-AUDIO_ENABLE = no
-RGBLIGHT_ENABLE = no
-
 # Project specific files
 SRC += dynamic_macro.c