Bugfix: Low Health Noise

## Purpose
In the current build of the game, if a player exits a level with a low health noise activated, it is not stopped before a new gamestate is loaded. This causes two low health noises to play, and even if the player rises above 1 heart, at least one of the noises keeps playing. This is compounded upon each level the user completes with less than 2 hearts.

This fix patches this issue by killing the bleeping sound during the gamestate transition. When the player loads into the next maingamestate, if he has 1 heart, the noise will resume without the dreaded doubling effect.
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