[qa] wallet: speed up tests

qa/rpc-tests/wallet.py

@@ -267,10 +267,6 @@ class WalletTest (BitcoinTestFramework):
             stop_nodes(self.nodes)
             wait_bitcoinds()
             self.nodes = start_nodes(3, self.options.tmpdir, [[m]] * 3)
-            connect_nodes_bi(self.nodes,0,1)
-            connect_nodes_bi(self.nodes,1,2)
-            connect_nodes_bi(self.nodes,0,2)
-            self.sync_all()
             assert_equal(balance_nodes, [self.nodes[i].getbalance() for i in range(3)])