clippy: lint fuzztests

Author: apoelstra

fuzz/fuzz_targets/deserialize_transaction.rs

@@ -14,14 +14,14 @@ fn do_test(data: &[u8]) {
             let reser = elements::encode::serialize(&tx);
             assert_eq!(data, &reser[..]);
             let len = reser.len();
-            let calculated_weight = tx.get_weight();
+            let calculated_weight = tx.weight();
             for input in &mut tx.input {
                 input.witness = elements::TxInWitness::default();
             }
             for output in &mut tx.output {
                 output.witness = elements::TxOutWitness::default();
             }
-            assert_eq!(tx.has_witness(), false);
+            assert!(!tx.has_witness());
             let no_witness_len = elements::encode::serialize(&tx).len();
             assert_eq!(no_witness_len * 3 + len, calculated_weight);