refactor: Fix clang-tidy warnings

src/misc/worker.h

@@ -43,11 +43,11 @@ namespace swift::misc
         CRegularThread(QObject *parent = nullptr) : QThread(parent) {}
 
         //! Destructor
-        virtual ~CRegularThread() override;
+        ~CRegularThread() override;
 
     protected:
         //! \copydoc QThread::run
-        virtual void run() override;
+        void run() override;
 
     private:
         std::atomic<void *> m_handle { nullptr };
@@ -148,7 +148,7 @@ namespace swift::misc
         CWorkerBase();
 
         //! Destructor.
-        virtual ~CWorkerBase() override;
+        ~CWorkerBase() override;
 
         //! For the task to check whether it can finish early.
         //! \threadsafe
@@ -289,11 +289,11 @@ namespace swift::misc
         //! Stops the thread the next time around its event loop.
         //! The thread and the worker will then be deleted.
         //! \threadsafe
-        virtual void quit() noexcept final override;
+        void quit() noexcept final;
 
         //! Calls quit() and blocks until the thread is finished.
         //! \threadsafe Will deadlock if called by the worker thread.
-        virtual void quitAndWait() noexcept final override;
+        void quitAndWait() noexcept final;
 
         //! Enabled (running)?
         //! \threadsafe