Merge pull request #6482 from spycrab/qt_borders

Qt/MainWindow: Remove obnoxious border

Source/Core/DolphinQt2/MainWindow.cpp

@@ -383,6 +383,7 @@ void MainWindow::ConnectStack()
 
   layout->addWidget(m_game_list);
   layout->addWidget(m_search_bar);
+  layout->setMargin(0);
 
   connect(m_search_bar, &SearchBar::Search, m_game_list, &GameList::SetSearchTerm);