remove no-op

stepmania/src/ScreenOptionsMaster.cpp

@@ -34,7 +34,6 @@ void ScreenOptionsMaster::Init()
 	vector<CString> Flags;
 	split( OPTION_MENU_FLAGS, ";", Flags, true );
 	InputMode im = INPUTMODE_INDIVIDUAL;
-	bool Explanations = false;
 	
 	for( unsigned i = 0; i < Flags.size(); ++i )
 	{
@@ -43,8 +42,6 @@ void ScreenOptionsMaster::Init()
 
 		if( sFlag == "together" )
 			im = INPUTMODE_SHARE_CURSOR;
-		else if( sFlag == "explanations" )
-			Explanations = true;
 		else if( sFlag == "forceallplayers" )
 		{
 			FOREACH_PlayerNumber( pn )