Sync EVO_MODE consts from emerald

include/constants/pokemon.h

@@ -213,9 +213,9 @@
 #define UNOWN_FORM_COUNT 28
 #define BOX_NAME_LENGTH 8
 
-#define EVOTRIGGER_LEVEL_UP    0
-#define EVOTRIGGER_TRADE       1
-#define EVOTRIGGER_STONE       2
-#define EVOTRIGGER_STONE_2     3
+#define EVO_MODE_NORMAL     0
+#define EVO_MODE_TRADE      1
+#define EVO_MODE_ITEM_USE   2
+#define EVO_MODE_ITEM_CHECK 3 // If an Everstone is being held, still want to show that the stone *could* be used on that Pokémon to evolve
 
 #endif // GUARD_CONSTANTS_POKEMON_H