chore: remove redundant scenario from the transaction conflict handling tests.

Author: pluveto

crates/chain/tests/test_tx_graph_conflicts.rs

@@ -375,41 +375,6 @@ fn test_tx_conflict_handling() {
                 confirmed: Amount::from_sat(30000),
             },
         },
-        Scenario {
-            name: "B and B' spend A and conflict, no other transactions, B' has higher last_seen",
-            tx_templates: &[
-                TxTemplate {
-                    tx_name: "A",
-                    inputs: &[TxInTemplate::Bogus],
-                    outputs: &[TxOutTemplate::new(10000, Some(0))],
-                    last_seen: None,
-                    ..Default::default()
-                },
-                TxTemplate {
-                    tx_name: "B",
-                    inputs: &[TxInTemplate::PrevTx("A", 0)],
-                    outputs: &[TxOutTemplate::new(20000, Some(1))],
-                    last_seen: Some(100),
-                    ..Default::default()
-                },
-                TxTemplate {
-                    tx_name: "B'",
-                    inputs: &[TxInTemplate::PrevTx("A", 0)],
-                    outputs: &[TxOutTemplate::new(30000, Some(2))],
-                    last_seen: Some(200),
-                    ..Default::default()
-                },
-            ],
-            exp_chain_txs: HashSet::from(["A", "B'"]),
-            exp_chain_txouts: HashSet::from([("A", 0), ("B'", 0)]),
-            exp_unspents: HashSet::from([("B'", 0)]),
-            exp_balance: Balance {
-                immature: Amount::ZERO,
-                trusted_pending: Amount::from_sat(30000),
-                untrusted_pending: Amount::ZERO,
-                confirmed: Amount::ZERO,
-            },
-        },
         Scenario {
             name: "B and B' spend A and conflict, C spends B, all the transactions are unconfirmed, B' has higher last_seen than B",
             tx_templates: &[