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/p2p_disconnect_ban.py

@@ -9,7 +9,7 @@ from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
-    connect_nodes_bi,
+    connect_nodes,
     wait_until,
 )
 
@@ -99,7 +99,7 @@ class DisconnectBanTest(BitcoinTestFramework):
         assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1]
 
         self.log.info("disconnectnode: successfully reconnect node")
-        connect_nodes_bi(self.nodes, 0, 1)  # reconnect the node
+        connect_nodes(self.nodes[0], 1)  # reconnect the node
         assert_equal(len(self.nodes[0].getpeerinfo()), 2)
         assert [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1]