test: Remove unused p2p_lock in VersionBitsWarningTest

Author: MarcoFalke

test/functional/feature_versionbits_warning.py

@@ -12,7 +12,7 @@
 
 from test_framework.blocktools import create_block, create_coinbase
 from test_framework.messages import msg_block
-from test_framework.p2p import p2p_lock, P2PInterface
+from test_framework.p2p import P2PInterface
 from test_framework.test_framework import BitcoinTestFramework
 
 VB_PERIOD = 144           # versionbits period length for regtest
@@ -90,7 +90,7 @@ def run_test(self):
 
         # Generating one block guarantees that we'll get out of IBD
         node.generatetoaddress(1, node_deterministic_address)
-        self.wait_until(lambda: not node.getblockchaininfo()['initialblockdownload'], timeout=10, lock=p2p_lock)
+        self.wait_until(lambda: not node.getblockchaininfo()['initialblockdownload'])
         # Generating one more block will be enough to generate an error.
         node.generatetoaddress(1, node_deterministic_address)
         # Check that get*info() shows the versionbits unknown rules warning