Clean up data headers

src/decompress.c

@@ -1,15 +1,13 @@
 #include "global.h"
-#include "decompress.h"
-#include "constants/species.h"
-#include "text.h"
 #include "alloc.h"
+#include "data.h"
+#include "decompress.h"
 #include "pokemon.h"
+#include "text.h"
+#include "constants/species.h"
 
 EWRAM_DATA ALIGNED(4) u8 gDecompressionBuffer[0x4000] = {0};
 
-extern const struct CompressedSpriteSheet gMonFrontPicTable[];
-extern const struct CompressedSpriteSheet gMonBackPicTable[];
-
 static void DuplicateDeoxysTiles(void *pointer, s32 species);
 
 void LZDecompressWram(const u32 *src, void *dest)