[MIRROR] adds vars for damage done by temp on simplemobs (#3042)

* adds vars for damage done by temp on simplemobs (#56572)

instead of heat and cold damage being handled by unsuitable_atmos_damage, instead its handled by unsuitable_heat_damage and unsuitable_cold_damage
if these vars arent set on the mob, they are set by default to the value of unsuitable_atmos_damage

* adds vars for damage done by temp on simplemobs

Co-authored-by: Fikou <piotrbryla@onet.pl>

code/modules/holiday/halloween.dm

@@ -185,10 +185,13 @@
 	icon_dead = "scary_clown"
 	icon_gib = "scary_clown"
 	speak = list("...", ". . .")
-	maxHealth = 1e6
-	health = 1e6
+	maxHealth = INFINITY
+	health = INFINITY
 	emote_see = list("silently stares")
+	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 0, "min_n2" = 0, "max_n2" = 0)
 	unsuitable_atmos_damage = 0
+	minbodytemp = 0
+	maxbodytemp = INFINITY
 	var/timer
 
 /mob/living/simple_animal/hostile/clown_insane/Initialize()
@@ -254,9 +257,6 @@
 		return
 	return ..()
 
-/mob/living/simple_animal/hostile/clown_insane/handle_temperature_damage()
-	return
-
 /////////////////////////
 // Spooky Uplink Items //
 /////////////////////////