Simple animal attack logs and fixes.
missed one
Modified Succumb verb

- Should fix odd behavior with existing oxy damage without cancelling
the recent improvement
- There's really no reason to use apply_damage instead of manually
adjusting Oxy Damage which is not fail proof
Use maxHealth instead of a flat value
Merge pull request #1145 from dylanstrategie/Bleeding-Edge

Modified Succumb verb
Use built-in Crossed rather than HasEntered (https://github.com/tgstation/-tg-station/commit/799c7ad2ce64fa7176cb0a587daf6c1f4a2125c5).