remove Update

stepmania/src/RageDisplay.h

@@ -125,8 +125,6 @@ public:
 	/* This is needed or the overridden classes' dtors will not be called. */
 	virtual ~RageDisplay() { }
 
-	virtual void Update( float fDeltaTime ) { }
-
 	// Don't override this.  Override TryVideoMode() instead.
 	// This will set the video mode to be as close as possible to params.
 	// Return true if device was re-created and we need to reload textures.

stepmania/src/StepMania.cpp

@@ -1512,8 +1512,6 @@ static void GameLoop()
 			fDeltaTime /= 4;
 		}
 
-		DISPLAY->Update( fDeltaTime );
-
 		/* Update SOUNDMAN early (before any RageSound::GetPosition calls), to flush position data. */
 		SOUNDMAN->Update( fDeltaTime );