Exactly the kind of thing you can make quick little .patch files for. Tools have 'idleSound' for drills, 'strikeSounds', and a 'breakSound' you'd want to remove. This is a handy guide on how to make .patch files: http://community.playstarbound.com/threads/basic-patching-now-with-path-guide-v1-9.84496/ If removing the sounds causes the game to crash or something, you'd just have to replace it with the sound of silence I guess.
