[Gameplay] Minion-Turret Resistance Reduction

This isn't necessarily a bug per se, but I noticed that even after minions have died they reduce the armor of turrets. Their death animations are pretty long and gives another ~5 seconds of reduction. I understand how the behavior arises from its coding, it just seems counter-intuitive because clearing out a wave should introduce the full risks of an open turret to anyone trying to take one.