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/p2p_compactblocks_hb.py

@@ -31,7 +31,6 @@ class CompactBlocksConnectionTest(BitcoinTestFramework):
         """Relay a new block through peer peer, and return HB status between 1 and [2,3,4,5]."""
         self.connect_nodes(peer, 0)
         self.generate(self.nodes[0], 1)
-        self.sync_blocks()
         self.disconnect_nodes(peer, 0)
         status_to = [self.peer_info(1, i)['bip152_hb_to'] for i in range(2, 6)]
         status_from = [self.peer_info(i, 1)['bip152_hb_from'] for i in range(2, 6)]
@@ -45,7 +44,6 @@ class CompactBlocksConnectionTest(BitcoinTestFramework):
         for i in range(1, 6):
             self.connect_nodes(i, 0)
         self.generate(self.nodes[0], 2)
-        self.sync_blocks()
         for i in range(1, 6):
             self.disconnect_nodes(i, 0)