Turn off debug mode if hardcore is active on emulator start

Found this bug while testing; if I manually edit the config files while Dolphin is closed I was able to get debug and hardcore on at the same time, this resolves that.

Source/Core/DolphinQt/MainWindow.cpp

@@ -269,6 +269,8 @@ MainWindow::MainWindow(std::unique_ptr<BootParameters> boot_parameters,
 
 #ifdef USE_RETRO_ACHIEVEMENTS
   AchievementManager::GetInstance().Init();
+  if (AchievementManager::GetInstance().IsHardcoreModeActive())
+    Settings::Instance().SetDebugModeEnabled(false);
 #endif  // USE_RETRO_ACHIEVEMENTS
 
 #if defined(__unix__) || defined(__unix) || defined(__APPLE__)