Remove unused sprout junk

src/wallet/asyncrpcoperation_sendmany.h

@@ -45,12 +45,6 @@ typedef std::tuple<std::string, CAmount, std::string> SendManyRecipient;
 // Input UTXO is a tuple (quadruple) of txid, vout, amount, coinbase)
 typedef std::tuple<uint256, int, CAmount, bool, CTxDestination> SendManyInputUTXO;
 
-// A struct to help us track the witness and anchor for a given JSOutPoint
-struct WitnessAnchorData {
-	boost::optional<SproutWitness> witness;
-	uint256 anchor;
-};
-
 class AsyncRPCOperation_sendmany : public AsyncRPCOperation {
 public:
     AsyncRPCOperation_sendmany(
@@ -169,6 +163,4 @@ public:
     }
 };
 
-
 #endif /* ASYNCRPCOPERATION_SENDMANY_H */
-