message: test: remove unneeded/redundant code in wallet_listtransactions
  > remove unneeded get-out-of IBD generate()
  (The test framework already sets up the nodes to be out of IBD
  in setup_nodes(), if setup_clean_chain is not set to True)
  > remove duplicate code line assigning an utxo
diff: @@ -26,8 +26,6 @@ class ListTransactionsTest(BitcoinTestFramework):
  self.skip_if_no_wallet()
  def run_test(self):
  - self.nodes[0].generate(1) # Get out of IBD
  - self.sync_all()
  # Simple send, 0 to 1:
  txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 0.1)
  self.sync_all()
  @@ -136,7 +134,6 @@ class ListTransactionsTest(BitcoinTestFramework):
  utxo_to_use = get_unconfirmed_utxo_entry(self.nodes[0], txid_1)
  assert_equal(utxo_to_use["safe"], True)
  utxo_to_use = get_unconfirmed_utxo_entry(self.nodes[1], txid_1)
  - utxo_to_use = get_unconfirmed_utxo_entry(self.nodes[1], txid_1)
  assert_equal(utxo_to_use["safe"], False)
  # Create tx2 using createrawtransaction
  