Remove mob crit states (#17850)

* Remove mob crit states

At least where it was just a dummy mob state. I'm lazy so this will buff mobs where they will remain active until their death state.

* Update Resources/Prototypes/Entities/Mobs/NPCs/behonker.yml

Co-authored-by: faint <46868845+ficcialfaint@users.noreply.github.com>

---------

Co-authored-by: faint <46868845+ficcialfaint@users.noreply.github.com>

Content.IntegrationTests/Tests/Commands/RejuvenateTest.cs

@@ -25,7 +25,6 @@ namespace Content.IntegrationTests.Tests.Commands
   - type: MobThresholds
     thresholds:
       0: Alive
-      100: Critical
       200: Dead
 ";