Replaced some attack() overrides with apply_hit_effect() or other attack
procs where appropriate.
Removed the attack() override from reagent_containers.
Conflicts:
code/game/objects/items/weapons/clown_items.dm
code/game/objects/items/weapons/material/kitchen.dm
code/game/objects/items/weapons/stunbaton.dm
code/modules/mob/living/carbon/human/human_defense.dm
code/modules/mob/living/carbon/human/species/xenomorphs/alien_facehugger.dm
code/modules/mob/living/simple_animal/friendly/spiderbot.dm
code/modules/mob/living/simple_animal/simple_animal.dm