Preformance upgrade — Sign Off Steam update #68412

I have gone in and reworked a few features. This will greatly improve performance during the Night Shift.Zombies were causing lag spikes up to 20% for logic and physics due to their scale animation. This feature was removed. zombies no longer get bigger (i didn't really like how it looked anyways) . on my system this caused a FPS drop down to 9frames per second. unacceptable. hopefully this patch will make long term game-play more enjoyable during peak moments when players need to be able to react. merged items and moved to a collection that gets suspended so that only the visibility is active. this helped squeeze 2frames out. looked up the music and found that they are free to use so they will stay for now. changed bullet physics and reduced logic so that the mobs are the ones to react to collisions. shots will no longer false register and blood splatters are absolute instead of near ba...