Document Celadon City scripts

src/coins.c

@@ -4,11 +4,10 @@
 #include "menu.h"
 #include "text_window.h"
 #include "strings.h"
+#include "constants/coins.h"
 
 EWRAM_DATA static u8 sCoinsWindowId = 0;
 
-#define MAX_COINS 9999
-
 u16 GetCoins(void)
 {
     return gSaveBlock1Ptr->coins ^ gSaveBlock2Ptr->encryptionKey;