[Keyboard] Update ning_tinyboard_tb16rgb diode direction (#25379)

* Update ning_tinyboard_tb16rgb diode_direction

* enable LTO
add rules.mk and enable RGB_MATRIX_CUSTOM_USER
add
add rgb_matrix_user.inc

* remove files

keyboards/ning/tiny_board/tb16_rgb/keyboard.json

@@ -2,7 +2,10 @@
     "manufacturer": "Ning",
     "keyboard_name": "TB16 RGB",
     "maintainer": "ningjx",
-    "diode_direction": "COL2ROW",
+    "diode_direction": "ROW2COL",
+    "build": {
+        "lto": true
+    },
     "features": {
         "bootmagic": true,
         "extrakey": true,