changed lightning mode of ymdk09 to vial-rgb (#594)

* changed lightning mode of ymdk09 to vial-rgb

* Removed not needed variable in rules.mk

Co-authored-by: adophoxia <100170946+adophoxia@users.noreply.github.com>

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Co-authored-by: adophoxia <100170946+adophoxia@users.noreply.github.com>

keyboards/ymdk/ymd09/keymaps/vial/rules.mk

@@ -5,3 +5,4 @@ QMK_SETTINGS = no
 TAP_DANCE_ENABLE = no
 COMBO_ENABLE = no
 KEY_OVERRIDE_ENABLE = no
+VIALRGB_ENABLE = yes

keyboards/ymdk/ymd09/keymaps/vial/vial.json

@@ -2,7 +2,7 @@
   "name": "YMDK YMD09",
   "vendorId": "0x594D",
   "productId": "0x4409",
-  "lighting": "qmk_rgblight",
+  "lighting": "vialrgb",
   "matrix" : {
       "rows": 3,
       "cols": 3