Update webstats_common.lua

plugins/webstats/lua/webstats_common.lua

@@ -36,7 +36,7 @@ end
 function _M.getInstance(self)
     if rawget(self, "instance") == nil then
         rawset(self, "instance", self.new())
-        self:cron()
+        -- self:cron()
     end
     assert(self.instance ~= nil)
     return self.instance
@@ -136,8 +136,6 @@ function _M.cron(self)
                         return true
                     end
 
-
-
                     local local_stmt2 = db:prepare[[INSERT INTO web_logs(
                         time, ip, domain, server_name, method, status_code, uri, body_length,
                         referer, user_agent, protocol, request_time, is_spider, request_headers, ip_list, client_port)