Don't spawn arrow items in Creative Mode

mods/ITEMS/mcl_throwing/arrow.lua

@@ -121,7 +121,9 @@ THROWING_ARROW_ENTITY.on_step = function(self, dtime)
 	if self._lastpos.x~=nil then
 		local def = minetest.registered_nodes[node.name]
 		if (def and def.walkable) or not def then
+			if not minetest.setting_getbool("creative_mode") then
 				minetest.add_item(self._lastpos, 'mcl_throwing:arrow')
+			end
 			self.object:remove()
 		end
 	end