_wp_sessions and transients

Hi,

I need your help. After installing this plugin with the feature to collect logs, I have many entries in the database (wp_options). These entries arte tansients and wp_sessions.
I deleted the plugin and nothing happen. The information are coming. And I did not know how to stop this.
I have more than 350 000 entries in the production website.

Thanks for your help.

https://wordpress.org/plugins/redirection/