scripted-diff: test: Replace connect_nodes_bi with connect_nodes

-BEGIN VERIFY SCRIPT-
sed -i --regexp-extended -e 's/connect_nodes_bi\(self.nodes,\s*(.),\s*/connect_nodes(self.nodes[\1], /g' $(git grep -l connect_nodes_bi)
sed -i --regexp-extended -e 's/connect_nodes_bi(,| )/connect_nodes\1/g'                                  $(git grep -l connect_nodes_bi)
-END VERIFY SCRIPT-

test/functional/wallet_hd.py

@@ -10,7 +10,7 @@ import shutil
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
-    connect_nodes_bi,
+    connect_nodes,
     assert_raises_rpc_error
 )
 
@@ -82,7 +82,7 @@ class WalletHDTest(BitcoinTestFramework):
             assert_equal(hd_info_2["hdkeypath"], "m/0'/0'/"+str(i)+"'")
             assert_equal(hd_info_2["hdseedid"], masterkeyid)
         assert_equal(hd_add, hd_add_2)
-        connect_nodes_bi(self.nodes, 0, 1)
+        connect_nodes(self.nodes[0], 1)
         self.sync_all()
 
         # Needs rescan
@@ -96,7 +96,7 @@ class WalletHDTest(BitcoinTestFramework):
         shutil.rmtree(os.path.join(self.nodes[1].datadir, "regtest", "chainstate"))
         shutil.copyfile(os.path.join(self.nodes[1].datadir, "hd.bak"), os.path.join(self.nodes[1].datadir, "regtest", "wallets", "wallet.dat"))
         self.start_node(1, extra_args=self.extra_args[1])
-        connect_nodes_bi(self.nodes, 0, 1)
+        connect_nodes(self.nodes[0], 1)
         self.sync_all()
         # Wallet automatically scans blocks older than key on startup
         assert_equal(self.nodes[1].getbalance(), NUM_HD_ADDS + 1)