DolphinQt: clean up includes

Source/Core/DolphinQt/CheatsManager.h

@@ -8,7 +8,6 @@
 #include <vector>
 
 #include <QDialog>
-#include <QString>
 
 #include "Common/CommonTypes.h"
 

Source/Core/DolphinQt/DiscordJoinRequestDialog.h

@@ -4,9 +4,10 @@
 
 #pragma once
 
-#include <QDialog>
 #include <ctime>
 
+#include <QDialog>
+
 class QGridLayout;
 class QPixmap;
 

Source/Core/DolphinQt/GCMemcardManager.h

@@ -17,6 +17,7 @@ class QDialogButtonBox;
 class QGroupBox;
 class QLabel;
 class QLineEdit;
+class QPixmap;
 class QPushButton;
 class QTableWidget;
 class QTimer;

Source/Core/DolphinQt/MenuBar.h

@@ -8,10 +8,11 @@
 #include <memory>
 #include <string>
 
-#include <QMenu>
 #include <QMenuBar>
 #include <QPointer>
 
+class QMenu;
+
 namespace Core
 {
 enum class State;

Source/Core/DolphinQt/Settings.cpp

@@ -7,7 +7,6 @@
 #include <QApplication>
 #include <QDir>
 #include <QFile>
-#include <QSettings>
 #include <QSize>
 
 #include "AudioCommon/AudioCommon.h"

Source/Core/DolphinQt/Settings.h

@@ -9,7 +9,6 @@
 #include <QFont>
 #include <QObject>
 #include <QSettings>
-#include <QVector>
 
 namespace Core
 {
@@ -29,7 +28,6 @@ class NetPlayServer;
 
 class GameListModel;
 class InputConfig;
-class QFont;
 
 // UI settings to be stored in the config directory.
 class Settings final : public QObject

Source/Core/DolphinQt/ToolBar.cpp

@@ -5,6 +5,7 @@
 #include <algorithm>
 #include <vector>
 
+#include <QAction>
 #include <QIcon>
 
 #include "Core/Core.h"

Source/Core/DolphinQt/ToolBar.h

@@ -4,10 +4,10 @@
 
 #pragma once
 
-#include <QAction>
-#include <QLineEdit>
 #include <QToolBar>
 
+class QAction;
+
 namespace Core
 {
 enum class State;