Remove unsplit headers

src/game/board/basic_space.c

@@ -8,7 +8,6 @@
 #include "game/object.h"
 #include "game/objsub.h"
 #include "game/gamework_data.h"
-#include "board_unsplit.h"
 #include "math.h"
 
 typedef struct bit_copy {

src/game/board/main.c

@@ -1,4 +1,3 @@
-#include "board_unsplit.h"
 #include "game/gamework_data.h"
 #include "math.h"
 #include "game/object.h"

src/game/board/mg_setup.c

@@ -1,5 +1,4 @@
 #include "game/board/mg_setup.h"
-#include "unsplit.h"
 #include "game/audio.h"
 #include "game/objsub.h"
 #include "game/wipe.h"

src/game/board/model.c

@@ -5,7 +5,6 @@
 #include "game/hsfmotion.h"
 #include "game/memory.h"
 #include "game/object.h"
-#include "unsplit.h"
 
 #define BOARD_MODEL_MAX 256
 #define BOARD_MOT_MAX 32

src/game/board/ui.c

@@ -17,7 +17,6 @@
 #include "game/board/model.h"
 #include "game/board/player.h"
 #include "game/board/tutorial.h"
-#include "board_unsplit.h"
 
 #include "math.h"
 

src/game/board/warp.c

@@ -10,7 +10,6 @@
 #include "game/hsfdraw.h"
 #include "game/hsfex.h"
 #include "game/objsub.h"
-#include "board_unsplit.h"
 #include "math.h"
 
 static void WarpInit(s32);