turns out --game has problems. also update common

Docs/Changelog_sm-ssc.txt

@@ -16,7 +16,7 @@ sm-ssc v1.0 Release Candidate 2 | 201007xx
 
 20100719
 --------
-* Add --game= command line argument. (e.g. --game=kb7, --game=dance)
+* 
 
 20100718
 --------

NoteSkins/common/common/metrics.ini

@@ -1,5 +1,6 @@
 [NoteDisplay]
 DrawHoldHeadForTapsOnSameRow=1
+AnimationIsBeatBased=1
 TapNoteAnimationLength=1
 TapMineAnimationLength=1
 TapLiftAnimationLength=1

src/StepMania.cpp

@@ -1147,14 +1147,6 @@ int main(int argc, char* argv[])
 	INPUTFILTER	= new InputFilter;
 	INPUTMAPPER	= new InputMapper;
 
-	RString argGame;
-	if( GetCommandlineArgument(	"game",&argGame) )
-	{
-		const Game *g = GAMEMAN->StringToGame(argGame);
-		if( g && g != GAMESTATE->GetCurrentGame() )
-			GAMESTATE->SetCurGame(g);
-	}
-
 	StepMania::ChangeCurrentGame( GAMESTATE->GetCurrentGame() );
 
 	INPUTQUEUE	= new InputQueue;