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/rpc_signrawtransaction.py

@@ -203,7 +203,6 @@ class SignRawTransactionsTest(BitcoinTestFramework):
         self.generate(self.nodes[0], COINBASE_MATURITY + 1)
         self.nodes[0].sendtoaddress(p2sh_p2wsh_address["address"], 49.999)
         self.generate(self.nodes[0], 1)
-        self.sync_all()
         # Get the UTXO info from scantxoutset
         unspent_output = self.nodes[1].scantxoutset('start', [p2sh_p2wsh_address['descriptor']])['unspents'][0]
         spk = script_to_p2sh_p2wsh_script(p2sh_p2wsh_address['redeemScript']).hex()