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_abortnode.py

@@ -26,7 +26,7 @@ class AbortNodeTest(BitcoinTestFramework):
         # We'll connect the nodes later
 
     def run_test(self):
-        self.nodes[0].generate(3)
+        self.generate(self.nodes[0], 3)
         datadir = get_datadir_path(self.options.tmpdir, 0)
 
         # Deleting the undo file will result in reorg failure
@@ -34,10 +34,10 @@ class AbortNodeTest(BitcoinTestFramework):
 
         # Connecting to a node with a more work chain will trigger a reorg
         # attempt.
-        self.nodes[1].generate(3)
+        self.generate(self.nodes[1], 3)
         with self.nodes[0].assert_debug_log(["Failed to disconnect block"]):
             self.connect_nodes(0, 1)
-            self.nodes[1].generate(1)
+            self.generate(self.nodes[1], 1)
 
             # Check that node0 aborted
             self.log.info("Waiting for crash")