makes slimes clear target on death, and delete actions, and abort walking on destroy (#26621)

code/modules/mob/living/simple_animal/slime/slime_death.dm

@@ -5,6 +5,9 @@
 	if(buckled)
 		Feedstop(silent = TRUE) //releases ourselves from the mob we fed on.
 
+	if(Target)
+		Target = null
+
 	if(!gibbed)
 		if(is_adult)
 			var/mob/living/simple_animal/slime/M = new(loc, colour)

code/modules/mob/living/simple_animal/slime/slime_mob.dm

@@ -103,9 +103,11 @@
 	add_language("Bubblish")
 
 /mob/living/simple_animal/slime/Destroy()
+	walk_to(src, 0)
 	for(var/A in actions)
 		var/datum/action/AC = A
 		AC.Remove(src)
+		qdel(AC)
 	Target = null
 	return ..()