Separate RGBLight/RGB Matrix keycode handling (#23679)

* Separate RGBLight/RGB Matrix keycode handling

* Remove `_DISABLE_KEYCODES` handling

* Update RGB Matrix keycode docs

* Update underglow keycodes for previously migrated boards

* Update keycodes for boards with custom handling

* Fix typos

* Fix bad merge

1 files changed, 0 insertions, 22 deletions

diff --git a/quantum/process_keycode/process_rgb.h b/quantum/process_keycode/process_rgb.h
deleted file mode 100644
index b1069d4bb6..0000000000
--- a/quantum/process_keycode/process_rgb.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2019
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#pragma once
-
-#include <stdint.h>
-#include <stdbool.h>
-#include "action.h"
-
-bool process_rgb(const uint16_t keycode, const keyrecord_t *record);