fixup! feat(offers): add BOLT 12 payer proof primitives

Author: vincenzopalazzo

lightning/src/offers/payer_proof.rs

@@ -991,7 +991,6 @@ mod tests {
 	#[cfg(c_bindings)]
 	use crate::offers::refund::RefundMaybeWithDerivedMetadataBuilder as RefundBuilder;
 	use crate::offers::test_utils::*;
-	use crate::util::ser::HighZeroBytesDroppedBigSize;
 	use bitcoin::hashes::Hash;
 	use bitcoin::secp256k1::{Keypair, Secp256k1, SecretKey};
 	use core::time::Duration;