Removing absorption bar on damage disabled servers

The absorption effect won't work on damage disabled servers and the
health bar and hunger bar is also hidden leaving the absorption bar
alone which makes it look not good. So not initializing it on those
servers might be a good idea.

mods/ITEMS/mcl_potions/functions.lua

@@ -1260,7 +1260,11 @@ local function potions_init_icons(player)
 		})
 		table.insert(icon_ids[name], id)
 	end
-	hb.init_hudbar(player, "absorption")
+
+	-- Absorption bar in damage disabled server is unneccessary
+	if minetest.settings:get_bool("enable_damage") == true then
+		hb.init_hudbar(player, "absorption")
+	end
 end
 
 local function potions_set_icons(player)