scripted-diff: Remove redundant sync_all and sync_blocks

The sync calls are redundant after a call to generate, because generate
already syncs itself.

-BEGIN VERIFY SCRIPT-
perl -0777 -pi -e 's/(generate[^\n]*\)[^\n]*)(\n|\s)+self.sync_(all|blocks)\([^\)]*\)\n/\1\n/g' $(git grep -l generate ./test)
-END VERIFY SCRIPT-

test/functional/wallet_send.py

@@ -246,7 +246,6 @@ class WalletSendTest(BitcoinTestFramework):
 
         w0.sendtoaddress(a2_receive, 10) # fund w3
         self.generate(self.nodes[0], 1)
-        self.sync_blocks()
 
         if not self.options.descriptors:
             # w4 has private keys enabled, but only contains watch-only keys (from w2)
@@ -265,7 +264,6 @@ class WalletSendTest(BitcoinTestFramework):
 
             w0.sendtoaddress(a2_receive, 10) # fund w4
             self.generate(self.nodes[0], 1)
-            self.sync_blocks()
 
         self.log.info("Send to address...")
         self.test_send(from_wallet=w0, to_wallet=w1, amount=1)
@@ -502,7 +500,6 @@ class WalletSendTest(BitcoinTestFramework):
         self.nodes[0].sendtoaddress(addr, 10)
         self.nodes[0].sendtoaddress(ext_wallet.getnewaddress(), 10)
         self.generate(self.nodes[0], 6)
-        self.sync_all()
         ext_utxo = ext_fund.listunspent(addresses=[addr])[0]
 
         # An external input without solving data should result in an error