Services: Remove unused header includes

Author: https://github.com/bgianfo
Commit: 808aa31353
Pull-request: https://github.com/SerenityOS/serenity/pull/9120
Reviewed-by: https://github.com/AtkinsSJ ✅

Userland/Services/LookupServer/DNSPacket.cpp

@@ -9,11 +9,9 @@
 #include "DNSName.h"
 #include "DNSPacketHeader.h"
 #include <AK/Debug.h>
-#include <AK/IPv4Address.h>
 #include <AK/MemoryStream.h>
 #include <AK/StringBuilder.h>
 #include <arpa/inet.h>
-#include <ctype.h>
 #include <stdlib.h>
 
 namespace LookupServer {