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/wallet_importprunedfunds.py

@@ -25,7 +25,7 @@ class ImportPrunedFundsTest(BitcoinTestFramework):
 
     def run_test(self):
         self.log.info("Mining blocks...")
-        self.nodes[0].generate(COINBASE_MATURITY + 1)
+        self.generate(self.nodes[0], COINBASE_MATURITY + 1)
 
         self.sync_all()
 
@@ -64,17 +64,17 @@ class ImportPrunedFundsTest(BitcoinTestFramework):
 
         # Send funds to self
         txnid1 = self.nodes[0].sendtoaddress(address1, 0.1)
-        self.nodes[0].generate(1)
+        self.generate(self.nodes[0], 1)
         rawtxn1 = self.nodes[0].gettransaction(txnid1)['hex']
         proof1 = self.nodes[0].gettxoutproof([txnid1])
 
         txnid2 = self.nodes[0].sendtoaddress(address2, 0.05)
-        self.nodes[0].generate(1)
+        self.generate(self.nodes[0], 1)
         rawtxn2 = self.nodes[0].gettransaction(txnid2)['hex']
         proof2 = self.nodes[0].gettxoutproof([txnid2])
 
         txnid3 = self.nodes[0].sendtoaddress(address3, 0.025)
-        self.nodes[0].generate(1)
+        self.generate(self.nodes[0], 1)
         rawtxn3 = self.nodes[0].gettransaction(txnid3)['hex']
         proof3 = self.nodes[0].gettxoutproof([txnid3])