scripted-diff: test: Replace uses of (dis)?connect_nodes global

-BEGIN VERIFY SCRIPT-

 # max-depth=0 excludes test/functional/test_framework/...
 FILES=$(git grep -l --max-depth 0 "connect_nodes" test/functional)

 # Replace (dis)?connect_nodes(self.nodes[a], b) with self.(dis)?connect_nodes(a, b)
 sed -i 's/\b\(dis\)\?connect_nodes(self\.nodes\[\(.*\)\]/self.\1connect_nodes(\2/g' $FILES

 # Remove imports in the middle of a line
 sed -i 's/\(dis\)\?connect_nodes, //g' $FILES
 sed -i 's/, \(dis\)\?connect_nodes//g' $FILES

 # Remove imports on a line by themselves
 sed -i '/^\s*\(dis\)\?connect_nodes,\?$/d' $FILES
 sed -i '/^from test_framework\.util import connect_nodes$/d' $FILES

-END VERIFY SCRIPT-

Co-authored-by: Elliott Jin <elliott.jin@gmail.com>

test/functional/rpc_getpeerinfo_deprecation.py

@@ -5,7 +5,6 @@
 """Test deprecation of getpeerinfo RPC fields."""
 
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import connect_nodes
 
 
 class GetpeerinfoDeprecationTest(BitcoinTestFramework):
@@ -26,7 +25,7 @@ class GetpeerinfoDeprecationTest(BitcoinTestFramework):
 
     def test_addnode_deprecation(self):
         self.restart_node(1, ["-deprecatedrpc=getpeerinfo_addnode"])
-        connect_nodes(self.nodes[0], 1)
+        self.connect_nodes(0, 1)
 
         self.log.info("Test getpeerinfo by default no longer returns an addnode field")
         assert "addnode" not in self.nodes[0].getpeerinfo()[0].keys()