Remove unnecessary height check in sync. (think it was only there for tests)

grin/src/adapters.rs

@@ -427,8 +427,7 @@ impl NetToChainAdapter {
 		// We are out of consensus at this point and want to track the problem
 		// down as soon as possible.
 		// Skip this if we are currently syncing (too slow).
-		if chain.head().unwrap().height > 0
-			&& !self.currently_syncing.load(Ordering::Relaxed)
+		if chain.head().unwrap().height > 0 && !self.currently_syncing.load(Ordering::Relaxed)
 			&& self.config.chain_validation_mode == ChainValidationMode::EveryBlock
 		{
 			let now = Instant::now();

grin/src/sync.rs

@@ -67,7 +67,7 @@ pub fn run_sync(
 				// in archival nodes (no fast sync) we just consider we have the whole
 				// state already
 				let have_txhashset = !fast_sync
-					|| head.height > 0 && header_head.height.saturating_sub(head.height) <= horizon;
+					|| header_head.height.saturating_sub(head.height) <= horizon;
 
 				let mut syncing = needs_syncing(
 					currently_syncing.as_ref(),