Clean-up of `#define _ADJUST 16` instances (#18182)

* enum layer_names: 40percentclub/nori default keymap

* enum layer_names: ergotravel default keymap

* enum layer_names: handwired/atreus50 default keymap

* enum layer_names: handwired/ortho5x13 default keymap

* enum layer_names: keebio/levinson default keymap

* enum layer_names: keebio/nyquist default keymap

* enum layer_names: keebio/rorschach default keymap

* enum layer_names: keebio/viterbi default keymap

* enum layer_names: keebio/wavelet default keymap

* enum layer_names: lets_split default keymap

* enum layer_names: maple_computing/launchpad reference keymaps

Update `default` and `default_rgb` keymaps.

* enum layer_names: maple_computing/minidox default keymap

* enum layer_names: miniaxe reference keymaps

Update `default` and `underglow` keymaps.

* enum layer_names: omkbd/ergodash/mini default keymap

* enum layer_names: omkbd/ergodash/rev1 default keymap

* enum layer_names: orthodox default keymap

* enum layer_names: unikeyboard/divergetm2 default keymap

* enum layer_names: woodkeys/scarletbandana default keymap

* add _Static_assert to keymap_introspection.c

1 files changed, 6 insertions, 4 deletions

diff --git a/keyboards/omkbd/ergodash/rev1/keymaps/default/keymap.c b/keyboards/omkbd/ergodash/rev1/keymaps/default/keymap.c
index c5e0a30147..0251700433 100644
--- a/keyboards/omkbd/ergodash/rev1/keymaps/default/keymap.c
+++ b/keyboards/omkbd/ergodash/rev1/keymaps/default/keymap.c
@@ -1,10 +1,12 @@
 #include QMK_KEYBOARD_H
 
 
-#define _QWERTY 0
-#define _LOWER 1
-#define _RAISE 2
-#define _ADJUST 16
+enum layer_names {
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _ADJUST
+};
 
 enum custom_keycodes {
   QWERTY = SAFE_RANGE,