LibCore: Move Stream-based sockets into the Core namespace

Author: https://github.com/timschumi
Commit: a96339b72b
Pull-request: https://github.com/SerenityOS/serenity/pull/17406
Reviewed-by: https://github.com/linusg

Userland/Utilities/nc.cpp

@@ -8,6 +8,7 @@
 #include <AK/HashTable.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/EventLoop.h>
+#include <LibCore/Socket.h>
 #include <LibCore/Stream.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
@@ -71,7 +72,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         }
 
         Core::EventLoop loop;
-        auto socket = TRY(Core::Stream::UDPSocket::connect(target, port));
+        auto socket = TRY(Core::UDPSocket::connect(target, port));
 
         if (verbose)
             warnln("connected to {}:{}", target, port);