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_importdescriptors.py

@@ -406,7 +406,6 @@ class ImportDescriptorsTest(BitcoinTestFramework):
                      ismine=True)
         txid = w0.sendtoaddress(address, 49.99995540)
         self.generatetoaddress(self.nodes[0], 6, w0.getnewaddress())
-        self.sync_blocks()
         tx = wpriv.createrawtransaction([{"txid": txid, "vout": 0}], {w0.getnewaddress(): 49.999})
         signed_tx = wpriv.signrawtransactionwithwallet(tx)
         w1.sendrawtransaction(signed_tx['hex'])
@@ -452,12 +451,10 @@ class ImportDescriptorsTest(BitcoinTestFramework):
         assert_equal(wmulti_priv.getwalletinfo()['keypoolsize'], 1000)
         txid = w0.sendtoaddress(addr, 10)
         self.generate(self.nodes[0], 6)
-        self.sync_all()
         send_txid = wmulti_priv.sendtoaddress(w0.getnewaddress(), 8)
         decoded = wmulti_priv.gettransaction(txid=send_txid, verbose=True)['decoded']
         assert_equal(len(decoded['vin'][0]['txinwitness']), 4)
         self.generate(self.nodes[0], 6)
-        self.sync_all()
 
         self.nodes[1].createwallet(wallet_name="wmulti_pub", disable_private_keys=True, blank=True, descriptors=True)
         wmulti_pub = self.nodes[1].get_wallet_rpc("wmulti_pub")
@@ -495,7 +492,6 @@ class ImportDescriptorsTest(BitcoinTestFramework):
         vout2 = find_vout_for_address(self.nodes[0], txid2, addr2)
 
         self.generate(self.nodes[0], 6)
-        self.sync_all()
         assert_equal(wmulti_pub.getbalance(), wmulti_priv.getbalance())
 
         # Make sure that descriptor wallets containing multiple xpubs in a single descriptor load correctly
@@ -583,7 +579,6 @@ class ImportDescriptorsTest(BitcoinTestFramework):
         addr = wmulti_priv_big.getnewaddress()
         w0.sendtoaddress(addr, 10)
         self.generate(self.nodes[0], 1)
-        self.sync_all()
         # It is standard and would relay.
         txid = wmulti_priv_big.sendtoaddress(w0.getnewaddress(), 9.999)
         decoded = wmulti_priv_big.gettransaction(txid=txid, verbose=True)['decoded']
@@ -618,7 +613,6 @@ class ImportDescriptorsTest(BitcoinTestFramework):
         addr = multi_priv_big.getnewaddress("", "legacy")
         w0.sendtoaddress(addr, 10)
         self.generate(self.nodes[0], 6)
-        self.sync_all()
         # It is standard and would relay.
         txid = multi_priv_big.sendtoaddress(w0.getnewaddress(), 10, "", "", True)
         decoded = multi_priv_big.gettransaction(txid=txid, verbose=True)['decoded']