[CSE] Remove uneeded includes

src/libsync/account.cpp

@@ -16,19 +16,17 @@
 #include "cookiejar.h"
 #include "networkjobs.h"
 #include "configfile.h"
-#include "accessmanager.h"
 #include "creds/abstractcredentials.h"
 #include "capabilities.h"
 #include "theme.h"
 #include "common/asserts.h"
 
-#include <QSettings>
 #include <QLoggingCategory>
-#include <QMutex>
 #include <QNetworkReply>
 #include <QNetworkAccessManager>
 #include <QSslSocket>
 #include <QNetworkCookieJar>
+
 #include <QFileInfo>
 #include <QDir>
 #include <QSslKey>