Reduce includes

src/tidal/tidalrequest.h

@@ -25,22 +25,23 @@
 #include <QtGlobal>
 #include <QObject>
 #include <QPair>
+#include <QSet>
 #include <QList>
 #include <QHash>
 #include <QMap>
 #include <QMultiMap>
 #include <QQueue>
+#include <QVariant>
 #include <QString>
 #include <QStringList>
 #include <QUrl>
-#include <QNetworkReply>
 #include <QJsonObject>
-#include <QJsonArray>
-#include <QJsonValue>
 
 #include "core/song.h"
 #include "tidalbaserequest.h"
 
+class QNetworkReply;
+class Application;
 class NetworkAccessManager;
 class TidalService;
 class TidalUrlHandler;