fix: remove comment

Author: minhd-vu

p2p/database/database.go

@@ -21,8 +21,7 @@ type Database interface {
 	WriteBlock(context.Context, *enode.Node, *types.Block, *big.Int, time.Time)
 
 	// WriteBlockHeaders will write the block headers if ShouldWriteBlocks
-	// returns true. The isParent parameter indicates if these headers were
-	// fetched as parent blocks.
+	// returns true.
 	WriteBlockHeaders(context.Context, []*types.Header, time.Time, bool)
 
 	// WriteBlockHashes will write the block hashes if ShouldWriteBlockEvents