remove dedicated_room dependence on core

src/citra_qt/multiplayer/lobby.cpp

@@ -24,7 +24,7 @@
 #endif
 
 Lobby::Lobby(QWidget* parent, QStandardItemModel* list,
-             std::shared_ptr<Core::AnnounceMultiplayerSession> session)
+             std::shared_ptr<Network::AnnounceMultiplayerSession> session)
     : QDialog(parent, Qt::WindowTitleHint | Qt::WindowCloseButtonHint | Qt::WindowSystemMenuHint),
       ui(std::make_unique<Ui::Lobby>()), announce_multiplayer_session(session) {
     ui->setupUi(this);