Remove debug logging

- crushing is now done by digging with a hammer
- cobble is now crushable

mods/ITEMS/mcl_bows/arrow.lua

@@ -43,7 +43,7 @@ local arrow_entity = {
 	_fire_damage_resistant = true,
 
 	_save_fields = {
-		"last_pos", "startpos", "damage", "is_critical", "stuck", "stuckin", "stuckin_player", "time_in_air", "vl_projectile", "collectable"
+		"last_pos", "startpos", "damage", "is_critical", "stuck", "stuckin", "stuckin_player", "time_in_air", "vl_projectile",
 	},
 
 	_damage=1,	-- Damage on impact
@@ -159,9 +159,6 @@ local arrow_entity = {
 			out[field] = self["_"..field]
 		end
 
-		-- Preserve entity properties
-		out.properties = self.object:get_properties()
-
 		return minetest.serialize(out)
 	end,
 	on_activate = function(self, staticdata, dtime_s)
@@ -171,12 +168,6 @@ local arrow_entity = {
 		local data = minetest.deserialize(staticdata)
 		if not data then return end
 
-		-- Restore entity properties
-		if data.properties then
-			self.object:set_properties(data.properties)
-			data.properties = nil
-		end
-
 		-- Restore arrow state
 		local save_fields = self._save_fields
 		for i = 1,#save_fields do