Merge rust-bitcoin#4592: Remove unnecessary closure

a1e8fab Remove unnecessary closure (Tobin C. Harding)

Pull request description:

  We can just pass the function directly. Found by clippy bizarrely after running `rustfmt` (in bot-created PR rust-bitcoin#4586).

  Internal change only, no logic change.

ACKs for top commit:
  yancyribbens:
    cr ACK a1e8fab
  apoelstra:
    ACK a1e8fab; successfully ran local tests

Tree-SHA512: 19d5ee65da7cfdae82a9a6609afac6d6b03d1c44c0c5bed21916ec31665e76adfc836ac6a1980251db2b9d5704baa577783dc967b1f0035cf662389c87fc6a0a

Author: apoelstra

bitcoin/src/psbt/serialize.rs

@@ -187,9 +187,7 @@ impl Serialize for Vec<secp256k1::PublicKey> {
 impl Deserialize for Vec<secp256k1::PublicKey> {
     fn deserialize(bytes: &[u8]) -> Result<Self, Error> {
         bytes.chunks(secp256k1::constants::PUBLIC_KEY_SIZE)
-            .map(|pubkey_bytes| {
-                secp256k1::PublicKey::deserialize(pubkey_bytes)
-            })
+            .map(secp256k1::PublicKey::deserialize)
             .collect()
     }
 }