fix: remove unused imports

Author: thunderbiscuit

bdk-ffi/src/lib.rs

@@ -15,10 +15,8 @@ use crate::bitcoin::Address;
 use crate::bitcoin::AddressData;
 use crate::bitcoin::Amount;
 use crate::bitcoin::FeeRate;
-use crate::bitcoin::FinalizedPsbtResult;
 use crate::bitcoin::Header;
 use crate::bitcoin::OutPoint;
-use crate::bitcoin::Psbt;
 use crate::bitcoin::Script;
 use crate::bitcoin::Transaction;
 use crate::bitcoin::TxIn;