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/mempool_packages.py

@@ -192,7 +192,6 @@ class MempoolPackagesTest(BitcoinTestFramework):
         # Check that prioritising a tx before it's added to the mempool works
         # First clear the mempool by mining a block.
         self.generate(self.nodes[0], 1)
-        self.sync_blocks()
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
         # Prioritise a transaction that has been mined, then add it back to the
         # mempool by using invalidateblock.
@@ -283,7 +282,6 @@ class MempoolPackagesTest(BitcoinTestFramework):
         # Test reorg handling
         # First, the basics:
         self.generate(self.nodes[0], 1)
-        self.sync_blocks()
         self.nodes[1].invalidateblock(self.nodes[0].getbestblockhash())
         self.nodes[1].reconsiderblock(self.nodes[0].getbestblockhash())
 
@@ -330,7 +328,6 @@ class MempoolPackagesTest(BitcoinTestFramework):
 
         # Mine these in a block
         self.generate(self.nodes[0], 1)
-        self.sync_all()
 
         # Now generate tx8, with a big fee
         inputs = [ {'txid' : tx1_id, 'vout': 0}, {'txid' : txid, 'vout': 0} ]