f unused import

Author: TheBlueMatt

src/main.rs

@@ -16,7 +16,7 @@ use bitcoin::BlockHash;
 use bitcoin_bech32::WitnessProgram;
 use disk::{INBOUND_PAYMENTS_FNAME, OUTBOUND_PAYMENTS_FNAME};
 use lightning::chain::{chainmonitor, ChannelMonitorUpdateStatus};
-use lightning::chain::{BestBlock, Filter, Watch};
+use lightning::chain::{BestBlock, Filter};
 use lightning::events::bump_transaction::{BumpTransactionEventHandler, Wallet};
 use lightning::events::{Event, PaymentFailureReason, PaymentPurpose};
 use lightning::ln::channelmanager::{self, RecentPaymentDetails};