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/interface_rest.py

@@ -81,9 +81,7 @@ class RESTTest (BitcoinTestFramework):
         not_related_address = "2MxqoHEdNQTyYeX1mHcbrrpzgojbosTpCvJ"
 
         self.generate(self.nodes[0], 1)
-        self.sync_all()
         self.generatetoaddress(self.nodes[1], 100, not_related_address)
-        self.sync_all()
 
         assert_equal(self.nodes[0].getbalance(), 50)
 
@@ -108,7 +106,6 @@ class RESTTest (BitcoinTestFramework):
         self.log.info("Query an unspent TXO using the /getutxos URI")
 
         self.generatetoaddress(self.nodes[1], 1, not_related_address)
-        self.sync_all()
         bb_hash = self.nodes[0].getbestblockhash()
 
         assert_equal(self.nodes[1].getbalance(), Decimal("0.1"))
@@ -183,7 +180,6 @@ class RESTTest (BitcoinTestFramework):
         assert_equal(len(json_obj['utxos']), 0)
 
         self.generate(self.nodes[0], 1)
-        self.sync_all()
 
         json_obj = self.test_rest_request(f"/getutxos/{spending[0]}-{spending[1]}")
         assert_equal(len(json_obj['utxos']), 1)
@@ -204,7 +200,6 @@ class RESTTest (BitcoinTestFramework):
         self.test_rest_request(f"/getutxos/checkmempool/{long_uri}", http_method='POST', status=200)
 
         self.generate(self.nodes[0], 1)  # generate block to not affect upcoming tests
-        self.sync_all()
 
         self.log.info("Test the /block, /blockhashbyheight and /headers URIs")
         bb_hash = self.nodes[0].getbestblockhash()
@@ -275,7 +270,6 @@ class RESTTest (BitcoinTestFramework):
 
         # See if we can get 5 headers in one response
         self.generate(self.nodes[1], 5)
-        self.sync_all()
         json_obj = self.test_rest_request(f"/headers/5/{bb_hash}")
         assert_equal(len(json_obj), 5)  # now we should have 5 header objects
 
@@ -310,7 +304,6 @@ class RESTTest (BitcoinTestFramework):
 
         # Now mine the transactions
         newblockhash = self.generate(self.nodes[1], 1)
-        self.sync_all()
 
         # Check if the 3 tx show up in the new block
         json_obj = self.test_rest_request(f"/block/{newblockhash[0]}")