Plugins possible conflict

Hi,
I have received a message in my WP
plugins page dashboard asking me to deactivate the plugin( Woocommerce checkout Add-on), however I can’t see this plugin within my plugins!

Can anyone advise what to do? And if I will have any problem in my website?

Here is a copy of the message;

Please note: Since Super Forms v6.0.3 the below plugins are now included into the plugin by default. Please deactivate and remove the following Add-ons to avoid possible conflicts. Also make sure to activate your copy of Super Forms.
- Calculator Add-on (now included for free)
- CSV Attachment Add-on (now included for free)
- E-mail Reminders Add-on (now included for free)
- E-mail Templates Add-on (now included for free)
- Front-end Posting Add-on (now included for free)
- Mailchimp Add-on (now included for free)
- Mailster Add-on (now included for free)
- Password Protect Add-on (now included for free)
- Paypal Add-on (now included for free)
- Popups Add-on (now included for free)
- Register & Login Add-on (now included for free)
- Signature Add-on (now included for free)
- WooCommerce Checkout Add-on (activated, please deactivate and remove this plugin)
- Zapier Add-on (now included for free)

The page I need help with: [log in to see the link]