Sound effect update

Just like the Vaudeville Cane update, I updated the node graph so the Play Sound node is blank. Since the sound effect isn't included, the node wouldn't play anything anyway. This just makes it clear that you need to add a sound effect of your own.
I used one of the hit sound effects from the Xiao Xiao stick figure cartoons. They're very easy to find online if you want the same sound effect I use or a variation of it. But as always, I encourage playing around with the node graph and finding your own sound effects to add some uniqueness to your channel.