Clang: Make clazy/tidy options part of the diagnostic config

As a side effect, clazy/tidy options become available for project
specific customization in the projects mode.

Change-Id: Id72762dedd857915139c15f532d2f1c6d1f43edb
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

src/plugins/cpptools/cppcodemodelsettingspage.h

@@ -32,8 +32,6 @@
 #include <QPointer>
 #include <QWidget>
 
-#include <memory>
-
 QT_FORWARD_DECLARE_CLASS(QComboBox)
 QT_FORWARD_DECLARE_CLASS(QSettings)
 
@@ -41,11 +39,6 @@ namespace CppTools {
 
 class ClangDiagnosticConfigsWidget;
 
-namespace Ui {
-class ClazyChecks;
-class TidyChecks;
-} // namespace Ui
-
 namespace Internal {
 
 namespace Ui { class CppCodeModelSettingsPage; }
@@ -64,9 +57,6 @@ public:
 private:
     void setupGeneralWidgets();
     void setupClangCodeModelWidgets();
-    void setupPluginsWidgets();
-    void setupTidyChecks();
-    void setupClazyChecks();
 
     bool applyGeneralWidgetsToSettings() const;
     bool applyClangCodeModelWidgetsToSettings() const;
@@ -75,14 +65,6 @@ private:
     Ui::CppCodeModelSettingsPage *m_ui = nullptr;
     QPointer<ClangDiagnosticConfigsWidget> m_clangDiagnosticConfigsWidget;
     QSharedPointer<CppCodeModelSettings> m_settings;
-
-    std::unique_ptr<CppTools::Ui::ClazyChecks> m_clazyChecks;
-    QWidget *m_clazyChecksWidget = nullptr;
-    QString m_currentClazyChecks;
-
-    std::unique_ptr<CppTools::Ui::TidyChecks> m_tidyChecks;
-    QWidget *m_tidyChecksWidget = nullptr;
-    QString m_currentTidyChecks;
 };
 
 class CppCodeModelSettingsPage: public Core::IOptionsPage