Fix some more global var warnings

mods/ENTITIES/mcl_mobs/combat.lua

@@ -4,7 +4,6 @@ local mob_class = mcl_mobs.mob_class
 local damage_enabled = minetest.settings:get_bool("enable_damage")
 local mobs_griefing = minetest.settings:get_bool("mobs_griefing") ~= false
 
-local show_health = false
 -- pathfinding settings
 local stuck_timeout = 3 -- how long before mob gets stuck in place and starts searching
 local stuck_path_timeout = 10 -- how long will mob follow path before giving up

mods/ENTITIES/mcl_mobs/init.lua

@@ -297,7 +297,6 @@ minetest.register_entity(name, setmetatable({
 	on_breed = def.on_breed,
 	on_grown = def.on_grown,
 	on_pick_up = def.on_pick_up,
-	on_detach_child = mob_detach_child,
 	on_activate = function(self, staticdata, dtime)
 		--this is a temporary hack so mobs stop
 		--glitching and acting really weird with the

mods/ENTITIES/mcl_mobs/movement.lua

@@ -4,6 +4,8 @@ local DEFAULT_FALL_SPEED = -9.81*1.5
 local FLOP_HEIGHT = 6
 local FLOP_HOR_SPEED = 1.5
 local PATHFINDING = "gowp"
+local enable_pathfinding = true
+
 local node_ice = "mcl_core:ice"
 local node_snowblock = "mcl_core:snowblock"
 local node_snow = "mcl_core:snow"

mods/ENTITIES/mcl_mobs/physics.lua

@@ -11,6 +11,7 @@ local PATHFINDING = "gowp"
 local mobs_debug = minetest.settings:get_bool("mobs_debug", false)
 local mobs_drop_items = minetest.settings:get_bool("mobs_drop_items") ~= false
 local mob_active_range = tonumber(minetest.settings:get("mcl_mob_active_range")) or 48
+local show_health = false
 
 -- get node but use fallback for nil or unknown
 local node_ok = function(pos, fallback)

mods/ENTITIES/mcl_mobs/spawning.lua

@@ -733,7 +733,7 @@ function mob_class:check_despawn(pos)
 	and self.state ~= "attack"
 	and self.following == nil then
 		if self.despawn_immediately or self.lifetimer <= 0 then
-			if spawn_logging then
+			if logging then
 				minetest.log("action", "[mcl_mobs] Mob "..self.name.." despawns at "..minetest.pos_to_string(pos, 1) .. " lifetimer ran out")
 			end
 			mcl_burning.extinguish(self.object)