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/feature_maxuploadtarget.py

@@ -56,7 +56,7 @@ class MaxUploadTest(BitcoinTestFramework):
         self.nodes[0].setmocktime(old_time)
 
         # Generate some old blocks
-        self.nodes[0].generate(130)
+        self.generate(self.nodes[0], 130)
 
         # p2p_conns[0] will only request old blocks
         # p2p_conns[1] will only request new blocks