kill more dead non event mode stage code

src/MusicWheel.cpp

@@ -180,34 +180,6 @@ void MusicWheel::BeginScreen()
 
 	// rebuild the WheelItems that appear on screen
 	RebuildWheelItems();
-
-	/* Invalidate current Song if it can't be played
-	 * because there are not enough stages remaining. */
-	if(GAMESTATE->m_pCurSong != NULL &&
-		GameState::GetNumStagesMultiplierForSong(GAMESTATE->m_pCurSong) >
-		GAMESTATE->GetSmallestNumStagesLeftForAnyHumanPlayer())
-	{
-		GAMESTATE->m_pCurSong.Set(NULL);
-	}
-
-	/* Invalidate current Steps if it can't be played
-	 * because there are not enough stages remaining. */
-	FOREACH_ENUM(PlayerNumber, p)
-	{
-		if(GAMESTATE->m_pCurSteps[p] != NULL)
-		{
-			vector<Steps*> vpPossibleSteps;
-			if(GAMESTATE->m_pCurSong != NULL)
-			{
-				SongUtil::GetPlayableSteps(GAMESTATE->m_pCurSong, vpPossibleSteps);
-			}
-			bool bStepsIsPossible = find(vpPossibleSteps.begin(), vpPossibleSteps.end(), GAMESTATE->m_pCurSteps[p]) == vpPossibleSteps.end();
-			if(!bStepsIsPossible)
-			{
-				GAMESTATE->m_pCurSteps[p].Set(NULL);
-			}
-		}
-	}
 }
 
 MusicWheel::~MusicWheel()