Clean up includes

src/trade_scene.c

@@ -1,17 +1,11 @@
 #include "global.h"
+#include "gflib.h"
 #include "task.h"
-#include "malloc.h"
-#include "bg.h"
-#include "gpu_regs.h"
 #include "util.h"
-#include "window.h"
-#include "sound.h"
 #include "decompress.h"
-#include "palette.h"
 #include "trade.h"
 #include "link.h"
 #include "link_rfu.h"
-#include "text.h"
 #include "mevent.h"
 #include "graphics.h"
 #include "strings.h"
@@ -20,7 +14,6 @@
 #include "battle.h"
 #include "script.h"
 #include "event_data.h"
-#include "string_util.h"
 #include "mail.h"
 #include "mail_data.h"
 #include "pokeball.h"