Don't show version text in the pause menu

apps/openmw/mwgui/mainmenu.cpp

@@ -174,6 +174,7 @@ namespace MWGui
         MWBase::StateManager::State state = MWBase::Environment::get().getStateManager()->getState();
 
         showBackground(state == MWBase::StateManager::State_NoGame);
+        mVersionText->setVisible(state == MWBase::StateManager::State_NoGame);
 
         std::vector<std::string> buttons;