[test] remove confusing p2p property

test/functional/test_framework/test_node.py

@@ -542,15 +542,6 @@ class TestNode():
 
         return p2p_conn
 
-    @property
-    def p2p(self):
-        """Return the first p2p connection
-
-        Convenience property - most tests only use a single p2p connection to each
-        node, so this saves having to write node.p2ps[0] many times."""
-        assert self.p2ps, self._node_msg("No p2p connection")
-        return self.p2ps[0]
-
     def num_test_p2p_connections(self):
         """Return number of test framework p2p connections to the node."""
         return len([peer for peer in self.getpeerinfo() if peer['subver'] == MY_SUBVERSION])