Clear includes

src/pokemon_animation.c

@@ -1,4 +1,5 @@
 #include "global.h"
+#include "battle.h"
 #include "pokemon.h"
 #include "pokemon_animation.h"
 #include "sprite.h"
@@ -18,8 +19,6 @@ struct UnkAnimStruct
     s16 field_8;
 };
 
-extern u16 gBattlerPartyIndexes[];
-
 // this file's functions
 static void pokemonanimfunc_00(struct Sprite *sprite);
 static void pokemonanimfunc_01(struct Sprite *sprite);