Clean up includes

src/pokemon.c

@@ -1,12 +1,10 @@
 #define IS_POKEMON_C
 
 #include "global.h"
-#include "pokemon.h"
+#include "gflib.h"
 #include "random.h"
-#include "main.h"
 #include "text.h"
 #include "data.h"
-#include "string_util.h"
 #include "battle.h"
 #include "battle_anim.h"
 #include "item.h"
@@ -20,10 +18,8 @@
 #include "battle_util.h"
 #include "link.h"
 #include "m4a.h"
-#include "sound.h"
 #include "pokedex.h"
 #include "strings.h"
-#include "malloc.h"
 #include "overworld.h"
 #include "party_menu.h"
 #include "field_specials.h"