Reduce includes

src/musicbrainz/acoustidclient.cpp

@@ -22,10 +22,11 @@
 
 #include <algorithm>
 
+#include <QtGlobal>
 #include <QObject>
-#include <QList>
-#include <QByteArray>
 #include <QPair>
+#include <QSet>
+#include <QList>
 #include <QVariant>
 #include <QString>
 #include <QStringList>

src/musicbrainz/acoustidclient.h

@@ -27,9 +27,9 @@
 #include <QMap>
 #include <QString>
 #include <QStringList>
-#include <QNetworkAccessManager>
-#include <QNetworkReply>
 
+class QNetworkAccessManager;
+class QNetworkReply;
 class NetworkTimeouts;
 
 class AcoustidClient : public QObject {

src/musicbrainz/chromaprinter.cpp

@@ -34,7 +34,6 @@
 #include <QIODevice>
 #include <QBuffer>
 #include <QByteArray>
-#include <QDateTime>
 #include <QString>
 #include <QElapsedTimer>
 #include <QtDebug>

src/musicbrainz/musicbrainzclient.cpp

@@ -24,20 +24,21 @@
 #include <algorithm>
 
 #include <QObject>
-#include <QList>
 #include <QSet>
+#include <QList>
 #include <QVariant>
 #include <QString>
 #include <QStringList>
-#include <QRegExp>
 #include <QUrl>
 #include <QUrlQuery>
+#include <QRegExp>
 #include <QtAlgorithms>
 #include <QNetworkAccessManager>
 #include <QNetworkRequest>
 #include <QNetworkReply>
 #include <QJsonParseError>
 #include <QJsonDocument>
+#include <QJsonValue>
 #include <QJsonObject>
 #include <QXmlStreamReader>
 #include <QTimer>

src/musicbrainz/musicbrainzclient.h

@@ -24,19 +24,19 @@
 
 #include "config.h"
 
-
 #include <QtGlobal>
 #include <QObject>
 #include <QList>
 #include <QMap>
 #include <QMultiMap>
+#include <QVariant>
 #include <QString>
 #include <QStringList>
-#include <QNetworkReply>
-#include <QXmlStreamReader>
 
 class QNetworkAccessManager;
+class QNetworkReply;
 class QTimer;
+class QXmlStreamReader;
 class NetworkTimeouts;
 
 class MusicBrainzClient : public QObject {