Qt: Remove redundant title update in Game Properties

src/duckstation-qt/gamesummarywidget.cpp

@@ -281,15 +281,9 @@ void GameSummaryWidget::setCustomRegion(int region)
     const auto lock = GameList::GetLock();
     const GameList::Entry* entry = GameList::GetEntryForPath(m_path);
     if (entry)
-    {
-      const std::string_view title = entry->GetDisplayTitle(GameList::ShouldShowLocalizedTitles());
-      m_dialog->setGameTitle(title);
-
     {
       const QSignalBlocker sb(m_ui.region);
       m_ui.region->setCurrentIndex(static_cast<int>(entry->region));
-      }
-
       m_ui.restoreRegion->setEnabled(entry->has_custom_region);
     }
   }