Move redox_w into redox (#21448)

Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/redox/keymaps/default/keymap.c

@@ -1,19 +1,27 @@
+/*
+Copyright 2018 Mattia Dal Ben <matthewdibi@gmail.com>
+
+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/>.
+*/
+
 #include QMK_KEYBOARD_H
 
-// Each layer gets a name for readability, which is then used in the keymap matrix below.
-// The underscores don't mean anything - you can have a layer called STUFF or any other name.
-// Layer names don't all need to be of the same length, obviously, and you can also skip them
-// entirely and just use numbers.
-#define _QWERTY 0
-#define _SYMB 1
-#define _NAV 2
-#define _ADJUST 3
-
-enum custom_keycodes {
-  QWERTY = SAFE_RANGE,
-  SYMB,
-  NAV,
-  ADJUST,
+enum layers {
+   _QWERTY,
+   _SYMB,
+   _NAV,
+   _ADJUST
 };
 
 // Shortcut to make keymap more readable