unused import

Author: slandelle

netty-bp/codec-dns/src/main/java/io/netty/handler/codec/dns/DefaultDnsRecordDecoder.java

@@ -18,7 +18,6 @@
 import io.netty.buffer.ByteBuf;
 import io.netty.handler.codec.CorruptedFrameException;
 import io.netty.util.CharsetUtil;
-import io.netty.util.internal.StringUtil;
 
 /**
  * The default {@link DnsRecordDecoder} implementation.