remove_dust: remove.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Makefile

@@ -174,8 +174,7 @@ BITCOIN_HEADERS := bitcoin/address.h		\
 	bitcoin/varint.h
 
 CORE_TX_HEADERS := close_tx.h			\
-	permute_tx.h				\
-	remove_dust.h
+	permute_tx.h
 
 CORE_HEADERS := 				\
 	opt_bits.h				\

remove_dust.h

@@ -1,23 +0,0 @@
-#ifndef LIGHTNING_REMOVE_DUST_H
-#define LIGHTNING_REMOVE_DUST_H
-#include "config.h"
-#include "bitcoin/tx.h"
-
-/* Remove all dust outputs from tx */
-void remove_dust(struct bitcoin_tx *tx, int *map);
-
-/* Less than this is dust. */
-#define DUST_THRESHOLD 546
-
-/**
- * is_dust: is an output of this value considered dust?
- * @satoshis: number of satoshis.
- *
- * Transactions with dust outputs will not be relayed by the bitcoin
- * network.  It's not an exact definition, unfortunately.
- */
-static inline bool is_dust(u64 satoshis)
-{
-	return satoshis < DUST_THRESHOLD;
-}
-#endif /* LIGHTNING_REMOVE_DUST_H */