Fixing adjust layer issue with the lily58 default keymap (#12052)

* Fix triggering of adjust layer in default lily58 keymap

* Remove unused extern

* Swap raise/lower in update_tri_layer_state call to match recommendation in PR checklist

keyboards/lily58/keymaps/default/keymap.c

@@ -8,8 +8,6 @@
   #include "ssd1306.h"
 #endif
 
-extern uint8_t is_master;
-
 enum layer_number {
   _QWERTY = 0,
   _LOWER,
@@ -107,13 +105,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   )
 };
 
-// Setting ADJUST layer RGB back to default
-void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
-  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
-    layer_on(layer3);
-  } else {
-    layer_off(layer3);
-  }
+layer_state_t layer_state_set_user(layer_state_t state) {
+  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
 }
 
 //SSD1306 OLED update loop, make sure to enable OLED_DRIVER_ENABLE=yes in rules.mk