message: test: Remove unused node from feature_nulldummy
diff: @@ -28,6 +28,7 @@ from test_framework.util import assert_equal, assert_raises_rpc_error
  NULLDUMMY_ERROR = "non-mandatory-script-verify-flag (Dummy CHECKMULTISIG argument must be zero)"
  +
  def trueDummy(tx):
  scriptSig = CScript(tx.vin[0].scriptSig)
  newscript = []
  @@ -40,18 +41,17 @@ def trueDummy(tx):
  tx.vin[0].scriptSig = CScript(newscript)
  tx.rehash()
  -class NULLDUMMYTest(BitcoinTestFramework):
  +class NULLDUMMYTest(BitcoinTestFramework):
  def set_test_params(self):
  - # Need two nodes so GBT (getblocktemplate) doesn't complain that it's not connected.
  - self.num_nodes = 2
  + self.num_nodes = 1
  self.setup_clean_chain = True
  # This script tests NULLDUMMY activation, which is part of the 'segwit' deployment, so we go through
  # normal segwit activation here (and don't use the default always-on behaviour).
  self.extra_args = [[
  f'-segwitheight={COINBASE_MATURITY + 5}',
  '-addresstype=legacy',
  - ]] * 2
  + ]]
  def skip_test_if_missing_module(self):
  self.skip_if_no_wallet()
  