Remove redundant include lines

src/text.c

@@ -1,15 +1,11 @@
 #include "global.h"
 #include "main.h"
-#include "palette.h"
-#include "string_util.h"
 #include "window.h"
 #include "text.h"
 #include "sprite.h"
-#include "blit.h"
 #include "sound.h"
 #include "m4a.h"
 #include "quest_log.h"
-#include "window.h"
 #include "graphics.h"
 #include "dynamic_placeholder_text_util.h"
 #include "constants/songs.h"