scripted-diff: Use generate* from TestFramework

-BEGIN VERIFY SCRIPT-
 sed --regexp-extended -i \
     's/((self\.)?(nodes\[[^]]+\]|[a-z_]*(wallet|node)[0-9a-z_]*))\.(generate(|toaddress|block|todescriptor)(\(|, ))/self.\5\1, /g' \
     $(git grep -l generate ./test | grep -v 'test_framework/' | grep -v 'feature_rbf')
-END VERIFY SCRIPT-

test/functional/rpc_deprecated.py

@@ -21,7 +21,7 @@ class DeprecatedRpcTest(BitcoinTestFramework):
         # In run_test:
         # self.log.info("Test generate RPC")
         # assert_raises_rpc_error(-32, 'The wallet generate rpc method is deprecated', self.nodes[0].rpc.generate, 1)
-        # self.nodes[1].generate(1)
+        # self.generate(self.nodes[1], 1)
 
         self.log.info("No tested deprecated RPC methods")