Remove unused includes

src/pimcommonakonadi/addressline/plugins/addressesslineeditpluginmanager.cpp

@@ -13,7 +13,6 @@
 #include <KPluginMetaData>
 
 #include <QFileInfo>
-#include <QSet>
 
 using namespace PimCommon;
 

src/pimcommonakonadi/collectionpage/autotests/contenttypewidgettest.cpp

@@ -7,9 +7,6 @@
 
 #include "contenttypewidgettest.h"
 #include "../contenttypewidget.h"
-#include <QComboBox>
-#include <QLabel>
-#include <QSignalSpy>
 #include <QTest>
 ContentTypeWidgetTest::ContentTypeWidgetTest(QObject *parent)
     : QObject(parent)

src/pimcommonakonadi/collectionpage/autotests/incidencesforwidgettest.cpp

@@ -7,9 +7,6 @@
 
 #include "incidencesforwidgettest.h"
 #include "../incidencesforwidget.h"
-#include <QComboBox>
-#include <QLabel>
-#include <QSignalSpy>
 #include <QTest>
 
 IncidencesForWidgetTest::IncidencesForWidgetTest(QObject *parent)