Remove redundant field names

Clippy emits:

  warning: redundant field names in struct initialization

As suggested, remove redundant field names.

Author: heap-coder

bitcoind-tests/tests/test_desc.rs

@@ -177,8 +177,7 @@ pub fn test_desc_satisfy(
                 rand::thread_rng().fill_bytes(&mut aux_rand);
                 let schnorr_sig =
                     secp.sign_schnorr_with_aux_rand(&msg, &internal_keypair, &aux_rand);
-                psbt.inputs[0].tap_key_sig =
-                    Some(taproot::Signature { sig: schnorr_sig, hash_ty: hash_ty });
+                psbt.inputs[0].tap_key_sig = Some(taproot::Signature { sig: schnorr_sig, hash_ty });
             } else {
                 // No internal key
             }
@@ -205,7 +204,7 @@ pub fn test_desc_satisfy(
                     x_only_pks[xonly_keypairs.iter().position(|&x| x == keypair).unwrap()];
                 psbt.inputs[0]
                     .tap_script_sigs
-                    .insert((x_only_pk, leaf_hash), taproot::Signature { sig, hash_ty: hash_ty });
+                    .insert((x_only_pk, leaf_hash), taproot::Signature { sig, hash_ty });
             }
         }
         _ => {
@@ -256,7 +255,7 @@ pub fn test_desc_satisfy(
                 assert!(secp.verify_ecdsa(&msg, &sig, &pk.inner).is_ok());
                 psbt.inputs[0]
                     .partial_sigs
-                    .insert(pk, ecdsa::Signature { sig, hash_ty: hash_ty });
+                    .insert(pk, ecdsa::Signature { sig, hash_ty });
             }
         }
     }