[Keyboard] Add kudox game rev2 (#8529)

* Add Kudox Game rev2.

* Add the keymap of Kudox Game a layer for regulating RGB.

* Modified rgblight_init when RGBLIGHT_ENABLE=no.

* Remove invalid codes.

* Modified *init* function right intention of framework.

keyboards/kudox_game/info.json

@@ -18,8 +18,8 @@
                 {"label":"E", "x":3.75, "y":1},
                 {"label":"R", "x":4.75, "y":1},
                 {"label":"T", "x":5.75, "y":1},
-                {"label":"GUI", "x":0, "y":2},
-                {"label":"Alt", "x":1, "y":2},
+                {"label":"Ctrl-C", "x":0, "y":2},
+                {"label":"Ctrl-V", "x":1, "y":2},
                 {"label":"A", "x":2, "y":2},
                 {"label":"S", "x":3, "y":2},
                 {"label":"D", "x":4, "y":2},